Blue Cheese Spinach Frittata

I love this even the next day. It is quick to make and is a regular in our house.

• Ready In: 40 mins
• Serves: 6

Ingredients

• 1⁄2 cup  chopped onion
• 4  garlic cloves, minced
• 1 (10 ounce) package fresh spinach, coarsely chopped
• 8  eggs or 2  cups egg substitute
• 1 1⁄2 cups  shredded part-skim mozzarella cheese
• 1  cup  crumbled blue cheese
• 2  plum tomatoes, diced
• 1⁄4 cup  chopped walnuts

Directions

1. In a skillet coated with cooking spray, cook onion and garlic over medium heat for 3 minutes or until tender. Remove from the skillet. Add spinach to skillet in batches, cooking for 1 minute or until wilted. Remove from the heat.
2. In a large bowl, beat the eggs/egg substitute until frothy. Stir in the onion mixture, cooked spinach, mozzarella, blue cheese, tomatoes and nuts. Place in a 10-in. ovenproof skillet coated with cooking spray.
3. Bake, uncovered, at 400° for 30-35 minutes or until a knife inserted near the center comes out clean.