Slow Cooker Green Beans, Ham and Potatoes

INGREDIENTS

• 2 pounds fresh green beans, rinsed and trimmed
• 1 large onion, chopped
• 3 ham hocks
• 1 1/2 pounds new potatoes, quartered
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon seasoning salt
• 1 tablespoon chicken bouillon granules
• ground black pepper to taste