Easy Upside-Down Pizza Casserole

By Jenni

4.89 / 5

10min

25min

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1 ½ pounds lean ground beef
1 (15 ounce) can pizza sauce
1 (4 ounce) can sliced mushrooms drained
¼ cup sliced pitted ripe olives
1 cup shredded mozzarella cheese or more to taste
1 (10 ounce) can refrigerated biscuit dough