Instant Pot® Acorn Squash Stuffed with Italian Sausage

Ingredients (12)

• + 1 tablespoon olive oil add to pantry
• + ½ pound Italian pork sausage add to pantry
• + ½ small onion, diced add to pantry
• + ¼ cup diced red bell pepper add to pantry
• + ½ cup marinara sauce, divided add to pantry
• + ½ cup shredded mozzarella cheese add to pantry
• + 2 tablespoons panko bread crumbs add to pantry
• ✓ 2 cloves garlic, crushed
• ✓ ¼ teaspoon oregano
• + ¼ teaspoon freshly ground black pepper add to pantry
• + 1 acorn squash, halved and seeded add to pantry
• + 1 cup water add to pantry