When stuffed peppers sound good but hollowing out a row of vegetables does not, a casserole is a useful compromise. This stuffed pepper casserole mixes browned beef, tender bell peppers, tomato and cooked rice beneath a thin cheddar topping. The peppers are part of every spoonful, rather than edible containers waiting to be cut apart.

Use cooked rice and soften the peppers before baking. The oven can then concentrate on heating the filling and melting the cheese, with no guessing about hard grains in the middle.
I would choose a mixture of red and green peppers: one adds sweetness, the other a slightly grassy edge. Dice them evenly, and keep the rice fluffy rather than densely packed. The result should be spoonable and moist, with distinct grains, not a tomato-flavored rice pudding.

Serving suggestions for stuffed pepper casserole
Give the baked dish a five-minute rest before serving, allowing the bubbling filling to settle while the cheese remains soft. Six portions make a practical dinner with something crisp alongside. I prefer a cool cucumber salad or the site’s carrot ribbon salad to another rich side.
A shallow baking dish gives more cheese coverage than a deep bowl, but it also loses moisture faster. Stop baking when the center is hot and the topping has melted with a few golden patches. If the edge looks dry before the middle is ready, cover loosely rather than pouring cold liquid over the cheese.
| Alongside | What it adds | Serving note |
|---|---|---|
| Cucumber or leafy salad | Fresh crunch | Dress just before eating |
| Steamed green beans | A simple vegetable side | Keep seasoning light |
| Crusty bread | Something for tomato juices | Optional; rice is already included |
- Scoop through the cheese and filling together for even portions.
- Serve hot sauce separately if some diners prefer a mild meal.
- Pack the salad separately from any casserole destined for reheating.
The casserole already contains rice, beef and vegetables. A fresh side is useful for contrast; a second starch is optional.

Variations
Cooked brown rice can replace the white rice by weight, giving a firmer bite without requiring extra baking liquid. Raw rice is a different recipe decision: it needs more water and substantially longer cooking, so do not make that substitution in this version. Leftover rice should have been cooled and refrigerated promptly before use.
Ground turkey is another option, with its own safe cooking temperature of 165°F; for extra heat, add a little chopped jalapeño while softening the peppers. The Chili Pepper Madness demonstration in the card includes that option and Worcestershire sauce; this version omits both and uses plain tomatoes, measured cooked rice and a gentler oven. Different quantities matter more than matching its exact appearance.
Keep the cooked-rice quantity steady when changing meat or pepper color. That preserves the balance between sauce and filling.

Health benefits
Beef supplies protein, while peppers and tomatoes bring vegetables into a main dish with an estimated 420 calories per portion, including cheddar and oil. The beef’s fat percentage and the cheese label can shift that number, so treat it as a planning estimate. Lower-sodium tomato products help you control seasoning without promising a particular sodium total.
Use a thermometer rather than the color of the beef or cheese: FoodSafety.gov lists 160°F for ground beef and 165°F for casseroles. Refrigerate leftovers promptly in shallow containers; do not leave a full warm baking dish on the counter until bedtime. Keep the rice-containing filling chilled and reheat portions thoroughly.
A golden topping is a texture cue. The center temperature is the safety check, particularly when the rice began cold.
Bottom Line
This casserole is most useful when you want the flavor of stuffed peppers in an easier serving format. Expect roughly US $13.80 for the complete batch, or $2.30 per portion, based on ingredient allowances rather than full-package purchases, with beef and peppers accounting for most of that cost. For another rice-based dinner with a different flavor profile, try chicken and chorizo paella.
My main priority here is keeping the vegetables tender before the dish enters the oven. Baking cannot reliably rescue huge raw pepper pieces without drying the rest of the filling. Chop once, soften well, and let the cheese have its short moment of glory.
Tender peppers, separate rice grains and a modest cheddar layer make a comforting casserole that is straightforward to portion.
Stuffed Pepper Casserole Recipe

Ingredients
- 1 tbsp olive oil 15 ml
- 1 lb 90% lean ground beef 454 g
- 3 medium bell peppers 450 g after trimming; mixed red and green, diced
- 1 medium yellow onion 150 g, diced
- 3 cloves garlic 9 g, minced
- 1 tsp smoked paprika
- 1 tsp dried oregano
- 1/2 tsp fine salt adjust for salted tomatoes
- 1/4 tsp black pepper
- 3 cups cooked long-grain white rice 555 g; already cooked, not dry rice
- 1 can diced tomatoes 14.5 oz /411 g, with juices
- 1 3/4 cups plain tomato sauce 425 g
- 1 cup shredded cheddar 120 g
Equipment
- 1 Large skillet
- 1 9-by-13-inch baking dish
- 1 Food thermometer
Instructions
- Heat the oven to 375°F (190°C). Set out a 9-by-13-inch baking dish. If preparing rice now, cook it separately according to its package, then measure 3 cups (555 g) cooked rice; that separate rice cooking is not included in the recipe’s timing.
- Heat olive oil in a large skillet over medium-high heat. Add the beef, break into small pieces and cook for 6–8 minutes. Confirm it reaches 160°F (71°C) with a food thermometer. Spoon off excess rendered fat if necessary.
- Add diced peppers and onion. Cook, stirring, for 7–9 minutes until peppers begin to soften. Stir in garlic, paprika, oregano, salt and pepper for 30 seconds.
- Add cooked rice, diced tomatoes with juices and tomato sauce. Fold gently until evenly combined, then simmer 2–3 minutes. Transfer the hot mixture to the baking dish and spread level. Scatter cheddar over the top.
- Bake uncovered for 15–20 minutes until the center reaches 165°F (74°C) and the cheese melts with a few golden patches. Rest 5 minutes, then divide into six servings. Time may increase if the filling has cooled; temperature determines readiness.
Nutrition
Video
Notes
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Hi, I’m Emily Pocker! I share recipes and food guides here at Recipes360 to help you find everyday meal inspiration and feel more confident in the kitchen. My goal is to make cooking approachable, enjoyable, and full of flavor.

