Slow Cooker Cinnamon Apple Oatmeal

Ingredients

• 2 apples, peeled, cored, cut into 1/2-inch pieces (2-1/2 to 3 cups chopped)
• 1-1/2 cups fat-free milk (or substitute non-diary alternative like almond milk)
• 1-1/2 cups water
• 1 cup uncooked steel-cut oats
• 2 tablespoons brown sugar (or substitute maple syrup or other desired sweetener)
• 1-1/2 tablespoons butter, cut into 5-6 pieces (optional)
• 1/2 teaspoon cinnamon
• 1 tablespoon ground flax seed
• 1/4 teaspoon salt
• Optional garnishes: chopped nuts, raisins, maple syrup, additional milk or butter