Preheat oven to 350°. Cut biscuits into quarters; arrange evenly in a greased 13x9-in. baking dish. Layer with vegetables and shredded cheese. Whisk together eggs, milk and seasonings; pour evenly over layers. Top with salsa., Bake, uncovered, until casserole is browned and middle is set, 35-45 minutes. Let stand 10 minutes before serving. Top servings with fresh cilantro leaves and additional salsa.