Oven-Baked Onion Frittata - Challenge Dairy

Ingredients

• 3 Tablespoons Challenge Butter or Challenge Spreadable Butter
• ⅛ teaspoon ground red pepper
• 1 cup chopped white onion (1 large)
• ¼ cup chopped red bell pepper
• 1 teaspoon finely minced or pressed fresh garlic (1-2 cloves)
• 6 eggs
• ¼ teaspoon finely minced fresh rosemary
• ¾ teaspoon fresh minced thyme
• ¼ teaspoon salt
• 2 Tablespoons freshly grated Parmesan cheese
• ½ cup shredded mozzarella or Cheddar cheese