Not a Bake Chocolate Oat Bar

No-Bake Chocolate Oat Bars Preparation Time: Prep Time: 15 minutes Chill Time: 2 hours Total Time: 2 hours 15 minutes Difficulty Level: Easy Ingredients: 1 cup unsalted butter 1/2 cup brown sugar, packed 1 tsp vanilla extract 3 cups rolled oats 1/2 tsp salt 1 cup semisweet chocolate chips 1/2 cup peanut butter (optional) Instructions:…