How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Kitchen Sink Frittata ?

You need 17 ingredients. The key ingredients include: 12 inch cast iron skillet, 8 extra large eggs, 2 oz grated parmesan (reggiano), 2-3 TBL sweet, unsalted butter OR equal amount olive oil, and more.

Is Kitchen Sink Frittata suitable as breakfast?

Yes, Kitchen Sink Frittata falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Kitchen Sink Frittata ?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Kitchen Sink Frittata Recipe

Name: Kitchen Sink Frittata
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 12 inch cast iron skillet; 8 extra large eggs; 2 oz grated parmesan (reggiano); 2-3 TBL sweet, unsalted butter OR equal amount olive oil; Dash (only a couple teaspoons) half & half or cream; 4 oz grated mozzarella cheese (whole milk); handful baby Bella mushrooms sliced razor thin (a/k/a crimini); 1/2 bell pepper diced (red or orange); precooked crumbled bacon, diced ham, or sausage (I often use leftovers) to taste (if you don't want the meat, just omit it); 2-3 TBL chopped fresh flat leaf Italian parsley (can do half cilantro if you want); 2 shredded fresh basil leaves.; 1/4 - 1/3 cup diced pre-cooked potato (left over); 1 diced scallion; 1 diced Italian PLUM tomato (fresh); salt, pepper to taste; dash sweet paprika; [you can substitute a few leaves chopped fresh spinach, or thin stalked diced baby asparagus for tomato]

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This Kitchen Sink Frittata relies on simple, everyday ingredients such as inch cast iron skillet, extra large eggs, grated parmesan (reggiano) and shredded fresh basil leaves.. It comes together quickly and makes 4 servings, at about 911 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's an easy way to start the day, whether you're cooking a relaxed weekend breakfast or need something satisfying before a busy morning. Pair it with fresh fruit or your favorite hot drink to round out the meal.

Updated Jun 30, 2026

Serves 4 Breakfast

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Kitchen Sink Frittata

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions