Impossible Garden Pie

Ingredients

• 2 cups cut fresh asparagus (1-inch pieces)
• 1-1/2 cups chopped fresh tomatoes
• 1 medium onion, chopped
• 1 garlic clove, minced
• 1/4 teaspoon dried basil
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1 cup shredded part-skim mozzarella cheese
• 1/2 cup grated Parmesan cheese
• 3/4 cup reduced-fat biscuit/baking mix
• 3 large eggs
• 1-1/2 cups fat-free milk