Stuffed Pepper Casserole

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By Emmy Minucci

Published: Jan 16, 2026

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Our stuffed pepper casserole delivers all the comforting flavors of traditional stuffed peppers with half the effort. This oven-baked delight combines tender rice, seasoned meat, and colorful bell peppers under a blanket of melted cheese for a complete family meal. Better yet, it comes together in one dish – making cleanup a breeze after dinner!

Why You’ll Love This Casserole

In just under an hour, this casserole transforms simple ingredients into a vibrant, satisfying dish. Each bite delivers the classic stuffed pepper experience without the tedious prep work. With its cheesy crust and perfectly cooked rice, this casserole satisfies even the pickiest eaters.

Perfect for Busy Nights

Since this recipe uses only one skillet or baking dish, you’ll spend less time washing pots afterward. Meanwhile, the oven handles most of the cooking work while you prepare other elements of your meal. For weeknight dinners when time matters, this simplicity becomes a major advantage.

Recipe

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Stuffed Pepper Casserole

Stuffed Pepper Casserole


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  • Author: Emmy Minucci
  • Total Time: 50 min
  • Yield: 6 servings 1x

Description

A deconstructed version of classic stuffed peppers, this easy casserole layers seasoned meat, rice, and colorful peppers under melted cheese for comforting family dinners.


Ingredients

Scale
  • 2 tablespoons olive oil [30 ml]
  • 1 1/2 pounds ground beef (lean) [680 g]
  • 1 yellow onion (diced)
  • 1 medium red bell pepper (diced)
  • 1 medium green bell pepper (diced)
  • 3 small cloves garlic (minced)
  • 1 teaspoon Italian seasoning
  • 2 teaspoons soy sauce [10 ml]
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 14 ounces canned diced tomatoes [400 g]
  • 1 cup long grain white rice [200 g]
  • 1 1/2 cups beef broth [360 ml]
  • 1 1/2 cups shredded cheese [170 g]
  • parsley (for garnish)

Instructions

  1. Preheat the oven to 350°F/180°C.
  2. Heat olive oil in a pan or oven-safe skillet over medium-high heat.
  3. Add ground beef and cook while breaking it apart until no longer pink.
  4. Drain fat from skillet.
  5. Add diced onion and bell peppers. Cook 2-3 minutes.
  6. Mix in garlic, Italian seasoning, soy sauce, salt, and pepper. Cook 30 seconds.
  7. Stir in diced tomatoes until fully combined.
  8. Add rice and beef broth. Stir and bring to a boil.
  9. Cover tightly with lid or foil.
  10. Bake in preheated oven for 20-25 minutes until rice is tender.
  11. Remove from oven and top with shredded cheese.
  12. Broil 3-5 minutes until cheese is melted and bubbly.
  13. Garnish with parsley before serving.

Notes

  • Lean ground beef reduces excess grease needing draining.
  • Replace broth with low-sodium versions to control salt content.
  • Test rice texture by tasting before adding cheese topping.
  • Prep Time: 10 min
  • Cook Time: 40 min
  • Category: Main Course
  • Method: Baked
  • Cuisine: American

Nutrition

  • Calories: 486 kcal
  • Sugar: 4 g
  • Sodium: 799 mg
  • Fat: 34 g
  • Carbohydrates: 16 g
  • Fiber: 2 g
  • Protein: 28 g

Ingredients and Substitutions

Base Components

  • Olive oil adds essential moisture and creates the sauté base
  • Ground beef brings rich umami flavor and protein (substitute ground turkey for leaner options)
  • Colorful bell peppers provide sweetness and crunch

Rice and Liquid

  • Long-grain white rice absorbs flavors beautifully (brown rice works with adjusted cook time)
  • Beef broth deepens savory notes (vegetable broth maintains flavor during substitutions)

Flavor Boosters

  • Diced tomatoes contribute bright acidity
  • Cheese topping creates irresistible texture

How to Make Stuffed Pepper Casserole

Preheating Prep

First, heat your oven to 350°F (180°C). While warming, begin cooking on your stovetop in an oven-safe skillet – this builds flavor before finishing in the oven. If making larger batches in a casserole dish, transfer ingredients before baking.

Cooking the Meat Base

  1. Heat oil over medium-high heat until shimmering
  2. Add ground meat, breaking it apart thoroughly until browned
  3. Drain excess fat before adding vegetables

Vegetable Sauté Stage

  1. Combine onions and diced peppers with meat
  2. Cook until onion becomes translucent
  3. Stir in garlic and spices until fragrant

Oven Baking Method

  1. Mix in tomatoes, rice, and broth completely
  2. Bring liquid to boil before covering tightly
  3. Bake until rice becomes tender
  4. Top with cheese and broil briefly

Pro Tips for Success

  • Select lean ground meat to reduce excess grease needing draining
  • Dice peppers uniformly for even cooking distribution
  • Allow cheese to cool slightly before serving for cleaner slices

Flavor Variations

Southwestern Twist

Swap Italian seasoning for taco mix and add corn or black beans before baking. This creates festive flavors similar to our high-protein Southwest chicken salad but in comforting casserole form.

Fourth Cheese Blend

Combine mozzarella, cheddar, Monterey Jack, and parmesan for complex cheesy taste. For stronger flavors that meld during baking, shred blocks rather than purchasing pre-shredded cheese.

Serving Suggestions

This casserole shines when paired with fresh bread or a crisp salad. For protein-packed dessert options afterward, try our frozen Greek yogurt peanut butter bites or high-protein chocolate pudding recipes that balance richness with nutrition.

Storage and Freezing Instructions

Cool leftovers completely before transferring to airtight containers. Refrigerate for up to four days or freeze individual portions for two months. When reheating frozen casserole, thaw overnight in the fridge before baking covered at 350°F until warmed thoroughly.

Nutrition Facts per Serving

CaloriesFatCarbsProteinFiberSugarSodium
486 kcal34 g16 g28 g2 g4 g799 mg

FAQs About Stuffed Pepper Casserole

Can I Make This Dairy-Free?

Absolutely. Simply omit the cheese topping or use plant-based alternatives. The casserole maintains satisfying texture from peppers and hearty rice.

How Do I Prevent Soggy Rice?

Ensure you tightly cover the dish while baking to trap steam effectively. Using precise broth measurements prevents excess liquid remaining after cooking.

What If My Oven Doesn’t Have Broil Setting?

Without broil, simply bake longer until cheese melts completely. Monitor edges to prevent burning – cheese should bubble slightly before removing.

Final Thoughts

Our stuffed pepper casserole solves the eternal weeknight dinner dilemma by combining simplicity with soul-warming flavors. Perfect for feeding crowds without spending hours in the kitchen, this adaptable dish checks all boxes – nutritional balance, reheating resilience, and family-approved taste. Once you try this hearty recipe, it may just become your new cold-weather staple for effortless comfort food!

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