When dinner needs to be hearty, full of flavor, and easy to get on the table, Cheesy Ground Beef & Cauliflower Casserole checks every box. It combines seasoned ground beef, tender cauliflower, tomatoes, and peppers in one skillet, then finishes under the broiler with bubbly Cheddar and tangy jalapeños.
The result is a cozy, Tex-Mex-inspired meal with plenty of bold flavor and very little fuss. You’ll cook the beef and vegetables on the stovetop, add the cheese, and broil until it’s melted and browned in spots. There’s no separate sauce to make and no stack of baking dishes to wash afterward—always a welcome bonus on a busy night.
Table of Contents
Why You’ll Love This Cheesy Ground Beef & Cauliflower Casserole
- Big, bold flavor: Chili powder, cumin, oregano, and chipotle bring smoky warmth to every bite.
- A practical one-skillet dinner: Cook the beef and vegetables together, then broil the cheese in the same pan.
- A hearty way to serve cauliflower: The florets cook right in the tomato and beef mixture, soaking up savory flavor.
- Easy to customize: Adjust the heat with the chipotle and jalapeños, or swap the cheese to suit your taste.
- Weeknight-friendly ingredients: Ground beef, canned tomatoes, and familiar vegetables make this an approachable dinner.
- A bubbly cheese finish: Broiling adds browned spots on top that make the skillet extra inviting.
ingredients You’ll Need
- Extra-virgin olive oil helps soften the onion and pepper and keeps the beef from sticking as it starts to cook.
- Chopped onion and green bell pepper build a flavorful base. Give them a few minutes in the skillet so they soften before you add the beef.
- Lean ground beef makes this casserole filling without leaving too much grease in the pan. Break it into small pieces as it cooks so it mixes evenly with the vegetables and spices.
- Cauliflower florets bring a tender bite and work well with the hearty beef mixture. Cut them into bite-size pieces so they cook through in the short simmering time.
- Garlic, chili powder, cumin, and dried oregano create the dish’s savory, Tex-Mex-inspired flavor. Ground chipotle adds a smoky kick, so use a light hand if you prefer mild food.
- No-salt-added petite-diced tomatoes bring moisture and acidity. The recipe uses the tomatoes and their juices, then simmers the mixture until some of the liquid cooks away.
- Extra-sharp Cheddar cheese adds a rich, tangy layer over the beef and cauliflower. Shred it yourself if you have time; freshly shredded cheese often melts smoothly.
- Sliced pickled jalapeños add a bright, tangy finish. They’re easy to adjust, so you can add fewer for mild servings or more for extra zip.
How to Make Cheesy Ground Beef & Cauliflower Casserole
1. Get the broiler ready
Position an oven rack in the upper third of the oven and preheat the broiler to high. Choose a large skillet that is safe to use under the broiler. Broilers heat quickly, so keep an eye on the casserole during its final few minutes.
2. Soften the onion and pepper
Heat the olive oil in the skillet over medium heat. Add the chopped onion and green bell pepper. Cook, stirring now and then, for about 5 minutes, until the vegetables soften.
3. Brown the beef and start the cauliflower
Add the ground beef and cauliflower florets. Cook for 5 to 7 minutes, breaking the beef into smaller pieces as it browns. Stir as you go so the cauliflower gets mixed through the pan. The beef should no longer be pink before you move on.
4. Add the spices and tomatoes
Stir in the minced garlic, chili powder, cumin, oregano, salt, and ground chipotle. Cook for about 1 minute, just until the garlic and spices smell fragrant.
Add the diced tomatoes with their juices and bring everything to a simmer. Cook, stirring occasionally, for about 3 minutes more, until the liquid reduces and the cauliflower is tender. Remove the skillet from the heat.
5. Add cheese and broil
Sprinkle the shredded Cheddar evenly over the beef mixture, then top with the sliced jalapeños. Broil for 2 to 3 minutes, watching closely, until the cheese melts and develops browned spots. Let the skillet rest briefly before serving; the pan will be very hot.
Helpful Tips for the Best Results
- Use a broiler-safe skillet. Check your skillet’s manufacturer guidance before putting it under the broiler. If yours is not broiler-safe, transfer the cooked mixture to a broiler-safe baking dish before adding the cheese and jalapeños.
- Cut the cauliflower evenly. Similar-size florets cook at about the same pace. Larger pieces may need longer to become tender, while tiny pieces can soften quickly.
- Watch the liquid as it simmers. The tomatoes should leave enough moisture to cook the cauliflower, but the mixture should not be soupy when you add the cheese. If it still looks very wet, simmer it a little longer and stir occasionally.
- Keep an eye on the broiler. The cheese can go from melted to too dark quickly. Stay nearby and check it after 2 minutes; broiler strength can vary from oven to oven.
- Set your heat level. Chipotle and pickled jalapeños both contribute heat, but in different ways: chipotle adds smoky warmth, while the jalapeños add tang and a sharper kick. You can reduce either one to make the casserole milder.
In my kitchen, a good skillet dinner is the kind that lets the ingredients do the work while keeping cleanup manageable. This recipe brings the vegetables, beef, and spices together in a few simple stages, then the broiler gives the top that golden, cheesy finish. If the edges get a little extra color, that’s often where the best bites are hiding.
Easy Ways to Customize It
You can make small changes while keeping the spirit of this ground beef and cauliflower casserole. Use a different color bell pepper if that’s what you have, or swap the extra-sharp Cheddar for another good-melting cheese. Monterey Jack would bring a milder flavor, while a Cheddar and Monterey Jack blend would offer both tang and creaminess.
For less heat, reduce or omit the ground chipotle and use fewer jalapeños—or leave them off individual portions. For a spicier skillet, add more jalapeños at the table so everyone can adjust their own serving.
The cauliflower should be cut into bite-size florets, as directed, so it has time to become tender during the short simmer. If you use notably larger pieces, check their texture before adding the cheese and allow a little more simmering time if needed.
What to Serve With It
This casserole is hearty enough to serve on its own, especially for a simple weeknight dinner. If you’d like to round out the meal, pair it with a crisp green salad, sliced avocado, or a side of rice. Warm tortillas are another easy option for scooping up the beef, cauliflower, and melted cheese.
For toppings, try a spoonful of sour cream, fresh cilantro, or a squeeze of lime. These optional additions can bring a cool or bright contrast to the warm spices.

faqs about Cheesy Ground Beef & Cauliflower Casserole
Is this casserole spicy?
It has a moderate kick from the chipotle and pickled jalapeños. To make it milder, use less chipotle and add only a few jalapeños—or serve them on the side.
Can I use frozen cauliflower?
Fresh bite-size florets are the best fit for the stated cook time. Frozen cauliflower may release extra moisture as it cooks, so thaw and drain it first, then check that it’s tender before you top the skillet with cheese.
How do I know when the cauliflower is tender?
After the tomatoes simmer for about 3 minutes, test a floret with a fork. It should be tender enough to bite but still hold its shape. If it needs more time, keep simmering and check again.
Can I make it without a broiler-safe skillet?
Yes. Cook the beef mixture in your regular skillet, then transfer it to a broiler-safe baking dish before adding the cheese and jalapeños. Broil until the cheese melts and browns in spots.
What should I do with leftovers?
Cool leftovers and refrigerate them in a covered container. Reheat them until hot throughout. The recipe details don’t specify a storage duration, so follow your usual food-safety guidance for refrigerated leftovers.
Bring This Cheesy Skillet to the Table
With seasoned ground beef, tender cauliflower, tangy tomatoes, and a bubbling layer of Cheddar, Cheesy Ground Beef & Cauliflower Casserole makes dinner feel comforting without making the cooking complicated. Keep it mild or bring on the jalapeños, then serve the skillet straight from the oven for a warm, satisfying meal.
More Cozy Casseroles and Cauliflower Dinners
If you enjoyed this cheesy ground beef and cauliflower skillet, try another comforting dinner from PulseRecipes:
- For another veggie-packed meal, make this Garlic Mushrooms Cauliflower Skillet.
- Warm up with a bowl of Cauliflower Sausage Kale Soup.
- Craving more cheesy, jalapeño flavor? Try this Jalapeño Popper Chicken Casserole.
- For a taco-inspired bake, give this Crustless Keto Taco Pie a try.
Made this Cheesy Ground Beef & Cauliflower Casserole? Leave a review and tap the stars to rate it!

Cheesy Ground Beef & Cauliflower Casserole
- Total Time: 35 minutes
- Yield: 4 servings 1x
- Diet: Gluten Free
Description
Cheesy Ground Beef & Cauliflower Casserole is a hearty skillet dinner with seasoned ground beef, tender cauliflower, tomatoes, bell pepper, melted Cheddar, and tangy jalapeños.
Ingredients
- 1 tablespoon extra-virgin olive oil
- ½ cup chopped onion
- 1 medium green bell pepper, chopped
- 1 pound lean ground beef
- 3 cups bite-size cauliflower florets
- 3 cloves garlic, minced
- 2 tablespoons chili powder
- 2 teaspoons ground cumin
- 1 teaspoon dried oregano
- ½ teaspoon salt
- ¼ teaspoon ground chipotle
- 1 (15-ounce) can no-salt-added petite-diced tomatoes, with juices
- 2 cups shredded extra-sharp Cheddar cheese
- ⅓ cup sliced pickled jalapeños
Instructions
- Position a rack in the upper third of the oven. Preheat the broiler to high.
- Heat the olive oil in a large broiler-safe skillet over medium heat. Add the onion and bell pepper. Cook, stirring, until softened, about 5 minutes.
- Add the ground beef and cauliflower. Cook, stirring and breaking up the beef, until the beef is no longer pink, 5 to 7 minutes.
- Stir in the garlic, chili powder, cumin, oregano, salt, and ground chipotle. Cook until fragrant, about 1 minute.
- Add the diced tomatoes and their juices. Bring to a simmer and cook, stirring occasionally, until the liquid has reduced and the cauliflower is tender, about 3 minutes.
- Remove the skillet from the heat. Sprinkle the Cheddar over the beef mixture and top with the jalapeños.
- Broil until the cheese is melted and browned in spots, 2 to 3 minutes. Watch closely.
Notes
- Use a skillet marked safe for broiling. If needed, transfer the cooked mixture to a broiler-safe baking dish before adding the cheese and jalapeños.
- Adjust the chipotle and jalapeños to taste.
- Prep time, cook time, and yield below are estimates; the recipe source does not specify them.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Dinner
- Method: Stovetop, broiler
- Cuisine: American, Tex-Mex
Nutrition
- Serving Size: ¼ of casserole
- Calories: 490 kcal
- Sugar: 6 g
- Sodium: 900 mg
- Fat: 32 g
- Saturated Fat: 16 g
- Unsaturated Fat: 15 g
- Trans Fat: 0.5 g
- Carbohydrates: 16 g
- Fiber: 4 g
- Protein: 38 g
- Cholesterol: 115 mg
