loaded m&m oreo cookie bars

How To Make loaded m&m oreo cookie bars

• Step 1
  Preheat oven to 350F. Line an 9-by-13-inch baking pan with aluminum foil, spray with cooking spray; set aside.
• Step 2
  In a large, microwave-safe bowl melt the butter, about 1 minute on high power.
• Step 3
  Wait momentarily before adding the egg so you don't scramble it. Add the egg, brown sugar, vanilla, and whisk until smooth.
• Step 4
  Add the flour and stir until just combined, don't over-mix.
• Step 5
  Stir in the Oreo's
• Step 6
  Turn batter out into prepared pan, smoothing the top lightly with a spatula.
• Step 7
  Evenly sprinkle the M&Ms over the top, lightly pressing them down with your finger or a spatula.
• Step 8
  Bake for about 30 to 35 minutes, or until done based on add-ins used.
• Step 9
  Top should be set and edges slightly firm.
• Step 10
  A toothpick inserted in the center (if you can find a bare patch to test) should come out clean, or with a few moist crumbs, but no batter.
• Step 11
  Allow bars to cool in pan for at least 30 minutes before slicing and serving.
• Step 12
  Bars will keep airtight at room temperature for up to 1 week, or in the freezer for up to 6 months.
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