Instructions

  1. Preheat oven to 400 degrees.
  2. In large skillet, combine the oil, onion and garlic and cook on medium-high heat, stirring occasionally, for 2 minutes.
  3. Add the mushrooms and cook until tender, about 5 minutes.
  4. Stir in tomato sauce and olives and bring to a simmer.
  5. Spread the sauce mixture in a greased 2-quart baking dish.
  6. Arrange the pepperoni in a single layer on top and sprinkle with the cheese.
  7. Top with the biscuit pieces.
  8. Bake until cheese is bubbly, about 15 minutes.
  9. Let cool for about 5 minutes before serving.