Chocolate + Peanut Butter Overnight Oats

• 2 cup milk
• 1.5 cup plain rolled oats
• 1 cup plain Greek yoghurt
• 1 tbsp chia seeds
• 1.5 tsp vanilla extract
• .25 cup natural peanut butter
• .25 cup cocoa powder
• .25 cup honey or maple syrup
• .1 tsp salt