No-Bake Chocolate Oatmeal Bars Recipe

Grease a 9-inch square baking dish with cooking spray.

Melt butter in a saucepan over medium heat. Stir in brown sugar and vanilla extract. Add oats and cook over low heat until combined 2 to 3 minutes. Spread 1/2 of the oat mixture into the prepared pan.

Melt chocolate chips with peanut butter in small heavy saucepan over low heat stirring frequently until smooth about 4 minutes. Pour chocolate mixture over oat layer and spread evenly. Crumble remaining oat mixture over chocolate pressing in gently.

Cover with plastic wrap and chill until set 2 to 3 hours or overnight. Bring to room temperature before cutting into bars.