'Pizza' Shepherd's Pie

Ingredients (5)

• ✓ 1 pound lean ground beef
• + 2 (14.5 ounce) cans diced tomatoes with garlic and basil, drained add to pantry
• ✓ ¼ teaspoon ground black pepper
• + 2 cups shredded mozzarella cheese add to pantry
• + ¾ pound frozen pizza dough, thawed add to pantry