Mushroom Zucchini Fritatta Recipe: How to Make It

Ingredients

• 1 large onion, chopped
• 2 medium zucchini, halved and thinly sliced
• 1 cup thinly sliced fresh mushrooms
• 4-1/2 teaspoons butter
• 3 large eggs
• 1/3 cup fat-free milk
• 1 teaspoon Dijon mustard
• 1/2 teaspoon ground mustard
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1 cup shredded reduced-fat Swiss cheese
• 2 tablespoons dry bread crumbs