Budget-Friendly Summer Vegetable Frittata

Ingredients (12)

• 8 oz white (button) mushrooms diced
• 0.25 tsp cayenne pepper
• 0.5 tsp salt optional
• 1 tbsp olive oil
• 0.25 cup skim milk
• 5 egg whites
• 2 eggs
• 3 cup spinach
• 1 small onion diced
• 0.5 tsp black pepper
• 1 medium red bell pepper seeded and diced
• 1 tbsp fresh basil chopped