Blueberry Overnight Oatmeal

Name: Blueberry Overnight Oatmeal
Prep time: 15 min
Total time: 15 min
Cuisine: American
Ingredients: 3/4 cup frozen blueberries (no need to thaw); 2 cups creamy non-dairy milk* (store-bought or homemade); 1 tablespoon grade A maple syrup (plus more to taste); 1 teaspoon vanilla extract; Juice of 1/2 small lemon; 1/4 teaspoon kosher salt; 2 cups rolled oats (gluten-free if necessary); 2 tablespoons chia seeds ( or ground flaxseed); Optional add-ins: 1/4 teaspoon cinnamon and/or cardamom; Topping suggestions: extra fresh or frozen blueberries (pumpkin seeds, hemp hearts, nut butter, etc.)