Night Before – Prepare the Overnight Oats: In a bowl or container, combine oats, milk, yogurt, pumpkin purée, maple syrup, pumpkin pie spice, vanilla extract, salt, and chia seeds (if using).
Stir well to combine, then divide evenly into two jars or containers with lids.
Refrigerate overnight (at least 6 hours, up to 3 days).
Morning Of – Prepare the Vanilla Latte and Fruit: Heat milk: In a small saucepan over medium heat, warm 1½ cups milk until hot but not boiling (about 2–3 minutes).
Brew coffee: While milk heats, brew the coffee.
Make the latte: Remove milk from heat. Stir in vanilla extract and sweetener. Froth using a whisk, frother, or blender if desired. Pour the coffee into a mug and top with the hot milk.
Serve the overnight oats topped with granola or nuts if desired. Serve with vanilla latte and fresh fruit.