Slow Cooker Green Bean Casserole - Petite Panini

Ingredients

• 1 lbs 1.5 fresh green beans, trimmed and cut into 2-inch pieces
• 1 can (10.5 oz) cream of mushroom soup
• 1 cup whole milk
• 1/2 cup sour cream
• 1 tsp garlic powder
• 1/2 tsp onion powder
• 1/2 tsp black pepper
• 1/2 tsp salt
• 1/2 cup grated Parmesan cheese
• 1 1/2 cups crispy fried onions
• 1/2 cup shredded cheddar cheese