Slow Cooker Venison Roast

INGREDIENTS

• 3 pounds boneless venison roast
• 1 large onion, sliced
• 1 tablespoon soy sauce
• 1 tablespoon Worcestershire sauce
• 1 tablespoon garlic salt
• 1/4 teaspoon ground black pepper
• 1 (1 ounce) package dry onion soup mix
• 1 (10.75 ounce) can condensed cream of mushroom soup