Peanut Butter Jar Pumpkin Spice Overnight Oats

Ingredients

• 1/2 cup rolled oats
• 1 cup almond milk
• 1/2 banana, thinly sliced
• 1 tsp pumpkin spice
• 1/4 tsp cinnamon
• 1/2 tsp vanilla extract
• 2 tbsp peanut butter
• 2 tbsp chopped walnuts