Oven-Baked Rainbow Veggie Frittata with Cheddar
A colorful baked frittata loaded with bell peppers, spinach, and sharp cheddar cheese for a nutritious and kid-friendly breakfast or brunch. This american-inspired breakfast (vegetarian, gluten free) ready in about 35 minutes combines large eggs, (60ml) whole milk, medium, diced red bell pepper into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 200 calories and feeds 6, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 8 large eggs
- 1/4 cup (60ml) whole milk
- 1/2 medium, diced red bell pepper
- 1/2 medium, diced yellow bell pepper
- 1 cup (30g), chopped fresh spinach
- 1 cup (100g) shredded sharp cheddar cheese
- 1 tbsp olive oil
- 1/2 tsp salt
- 1/4 tsp black pepper
Instructions
- Step 1: Preheat the oven to 375°F (190°C). Lightly grease a 9-inch ovenproof skillet with 1 tbsp olive oil.
- Step 2: In a large bowl, whisk together 8 large eggs, 1/4 cup whole milk, 1/2 tsp salt, and 1/4 tsp black pepper until smooth and slightly frothy.
- Step 3: Stir in 1/2 diced red bell pepper, 1/2 diced yellow bell pepper, 1 cup chopped fresh spinach, and 1 cup shredded sharp cheddar cheese until evenly combined.
- Step 4: Pour the egg mixture into the prepared skillet and bake for 20-25 minutes until the frittata is puffed, set in the center, and lightly golden on top.
- Step 5: Let the frittata cool for 5 minutes before slicing into 6 wedges. Serve warm.
Frequently asked questions
How long does Oven-Baked Rainbow Veggie Frittata with Cheddar take to make?
Total time is about 35 minutes (10 min prep + 25 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.
How do I store leftover Oven-Baked Rainbow Veggie Frittata with Cheddar?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.
Can I substitute ingredients in Oven-Baked Rainbow Veggie Frittata with Cheddar?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Oven-Baked Rainbow Veggie Frittata with Cheddar for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Oven-Baked Rainbow Veggie Frittata with Cheddar vegetarian?
Yes — this recipe is tagged vegetarian, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
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