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 Fennel, Onion, And Fontina Frittata?

You need 8 ingredients. The key ingredients include: 2 tablespoons butter, 2 tablespoons extra virgin olive oil, 1 fresh fennel bulb, top trimmed away, bulb halved and thinly sliced, 1 large sweet onion, halved and thinly sliced (Spanish or Vidalia), and more.

Is Fennel, Onion, And Fontina Frittata suitable as breakfast?

Yes, Fennel, Onion, And Fontina Frittata falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Fennel, Onion, And Fontina Frittata?

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

Fennel, Onion, And Fontina Frittata Recipe

Name: Fennel, Onion, And Fontina Frittata
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons butter; 2 tablespoons extra virgin olive oil; 1 fresh fennel bulb, top trimmed away, bulb halved and thinly sliced; 1 large sweet onion, halved and thinly sliced (Spanish or Vidalia); 18 large eggs; coarse salt; black pepper; 1/2 lb Fontina cheese, well chilled then sliced

Start your day right with this Fennel, Onion, And Fontina Frittata recipe. Made with butter, extra virgin olive oil, fresh fennel bulb and sweet onion. …

This Fennel, Onion, And Fontina Frittata relies on simple, everyday ingredients such as butter, extra virgin olive oil, large eggs and coarse salt. It comes together quickly and makes 4 servings, at about 998 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

Servings: persons

2 tablespoons butter
2 tablespoons extra virgin olive oil
1 fresh fennel bulb, top trimmed away, bulb halved and thinly sliced
1 large sweet onion, halved and thinly sliced (Spanish or Vidalia)
18 large eggs
coarse salt
black pepper
1/2 lb Fontina cheese, well chilled then sliced

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Quick Info

Servings
4 servings
Calories
998 kcal
Category
Breakfast

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Fennel, Onion, And Fontina Frittata

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