Stuffed Chicken Breast Wrapped in Bacon

Ingredients (7)

• + 2 chicken breast fillets add to pantry
• + 1 (4 ounce) ball water-packed fresh mozzarella cheese, drained and sliced add to pantry
• + 2 cloves garlic, cut in half, divided add to pantry
• + 4 slices bacon add to pantry
• + 1 red onion, cut into wedges add to pantry
• + 1 tablespoon olive oil, or as needed add to pantry
• ✓ 1 teaspoon chopped fresh rosemary