Upside-down Pizza Casserole Recipe - Delicious and Easy to Make

Ingredients

• 1.5 lb (680 g) of lean ground beef
• 1 can (15 oz / 425 g) of Italian-style tomato sauce
• 1 can (4 oz / 113 g) of sliced mushrooms , drained
• 0.25 cup of sliced pitted ripe olives (optional)
• 1 to 1.5 cups (4 to 6 oz / 170 g) of shredded mozzarella cheese
• 1 package (10 oz / 283 g) of refrigerated biscuits (10 biscuits )