Start by heating your flour. You can microwave for 1 minute, stirring every 20 seconds, or bake at 350º F for 5 minutes. You want the flour to be 160º F. Let it cool
1/2 cup all-purpose flour
Line a 9-inch baking dish with foil or parchment paper.
Combine butter, sugar, and brown sugar together in a large bowl. Mix at medium speed until combined.
1/2 cup butter, 1/2 cup granulated sugar, 1/4 cup light brown sugar
Add peanut butter and the vanilla, mix until well blended.
1 cup creamy peanut butter, 1 teaspoon vanilla extract
Stir in the flour mixing until just incorporated.
Slowly add oats, 1 cup at a time until it forms a dough.
2 cups old fashioned oats
Fold in M&M's. Press into prepared pan.
3/4 cup mini M&M's
In a microwave safe bowl melt together chocolate and heavy cream, in 30 second increments. Once smooth, pour over cookie dough mixture. Sprinkle with remaining M&M's.
1 1/4 cup semi-sweet chocolate chips, 3 Tablespoons heavy cream, 1/4 cup mini M&M's
Refrigerate for 1-2 hours, or until chocolate is completely set up before serving.
Video
Notes
Recipe slightly adapted from No Bake Treats by Julianne Bayer