Instant Pot® Salisbury Steak with Onion and Mushroom Gravy

Ingredients (17)

• + ¼ cup fresh bread crumbs add to pantry
• + ¼ cup finely diced onion add to pantry
• ✓ 1 egg
• + 1 teaspoon dried parsley add to pantry
• + 1 teaspoon Worcestershire sauce add to pantry
• + 1 clove garlic, minced, or more to taste add to pantry
• + 1 pound ground beef add to pantry
• + ½ pound lean ground pork add to pantry
• + 2 tablespoons avocado oil add to pantry
• + 1 large onion, thinly sliced add to pantry
• + 1 (8 ounce) package sliced cremini mushrooms add to pantry
• + ¼ cup dry red wine add to pantry
• ✓ 2 cups beef broth
• + 1 tablespoon tomato paste add to pantry
• + 1 teaspoon salt add to pantry
• + ½ teaspoon ground black pepper add to pantry
• + 2 tablespoons cornstarch add to pantry