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 Tuscan Kale, Olive, And Caramelized Onion Frittata?

You need 10 ingredients. The key ingredients include: 1 large onion, finely chopped, 1 cup sliced mushrooms, 2 tablespoons olive oil, 12 ounces Tuscan kale (also called Lacinato and dinosaur), stems removed and leaves chopped, and more.

Is Tuscan Kale, Olive, And Caramelized Onion Frittata suitable as breakfast?

Yes, Tuscan Kale, Olive, And Caramelized Onion Frittata falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Tuscan Kale, Olive, And Caramelized Onion Frittata?

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

Tuscan Kale, Olive, And Caramelized Onion Frittata

Name: Tuscan Kale, Olive, And Caramelized Onion Frittata
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 large onion, finely chopped; 1 cup sliced mushrooms; 2 tablespoons olive oil; 12 ounces Tuscan kale (also called Lacinato and dinosaur), stems removed and leaves chopped; 8 large eggs; 1 cup shredded parmesan cheese, divided; 1/2 teaspoon kosher salt; 1/4 teaspoon pepper; 12 oil-cured black olives, pitted and slivered; Red chile flakes (optional)

Start your day right with this Tuscan Kale, Olive, And Caramelized Onion Frittata recipe. Made with onion, mushrooms, olive oil and kale. Easy step-by-s…

This Tuscan Kale, Olive, And Caramelized Onion Frittata relies on simple, everyday ingredients such as large onion, finely chopped, sliced mushrooms, olive oil and large eggs. It comes together quickly and makes 4 servings, at about 3177 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

3177

kcal

Calories

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Tuscan Kale, Olive, And Caramelized Onion Frittata

Tips for the best results

Variations & substitutions

My Personal Notes

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