1Heat oven to 350°F. Spray 11x7-inch (2-quart) glass baking dish with cooking spray.
2In large bowl, beat ricotta cheese, 1/2 cup Gruyère cheese, the milk, eggs, Italian seasoning and salt with whisk.
3Cut each biscuit into quarters; add to cheese mixture and stir to coat. Stir in vegetables. Spoon into baking dish. Sprinkle with 2 tablespoons Gruyère cheese.
4Bake uncovered 35 to 45 minutes or until golden brown and knife inserted in center comes out clean.