Slow Cooker Scalloped Potatoes

Ingredients

• 6–7 medium potatoes, thinly sliced

• 1 small onion, thinly sliced (optional)

• 2 cups (200 g) shredded cheddar cheese

• 1 cup (100 g) shredded mozzarella cheese

• 1 ½ cups (360 ml) heavy cream or milk

• 3 tbsp butter

• 2 tbsp flour

• 2 cloves garlic, minced

• 1 tsp salt

• 1/2 tsp black pepper

• 1/2 tsp paprika

• Fresh parsley for garnish