Slow-Cooker Ham and Potatoes au Gratin

Ingredients (15)

• FOR THE MUSHROOM SAUCE:
• 2 tbsp unsalted butter
• 1 lb mushrooms
• Salt and pepper
• ¼ cup all-purpose flour
• 2 cups chicken stock
• ½ cup heavy cream
• 1 tbsp Worcestirshire sauce
• FOR THE CASSEROLE:
• 4 to 6 large potatoes
• 2 10 oz. ham steaks
• 1 lb Swiss cheese
• 2 medium onions
• salt and pepper
• 1 tbsp smoked paprika