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Maple-Spice Cookie Squares with Mayonnaise Icing

Renée G.


The one in the picture was baked in a slightly smaller dish than the recommended 9" x 13" so it's a little thicker. These generally will make a thinner, more cookie like square.

Very nice to have a couple with a hot cup of coffee or tea on a frosty morning, or as an afternoon pick-me-up.


★★★★★ 2 votes

10 - 15 (depends on size you cut the squares)
15 Min
25 Min


  • ·
    1 cup sugar
  • ·
    2 cups flour
  • ·
    1 tsp. cinnamon
  • ·
    1 tsp. allspice
  • ·
    ¼ cup maple syrup
  • ·
    ¾ cup vegetable oil
  • ·
    1 egg beaten

  • ·
    2 tbsp. mayonnaise (yup, trust me on this one)
  • ·
    ½ tsp pure vanilla extract
  • ·
    ½ tsp. maple extract
  • ·
    1 tbsp. water (more or less to get consistency desired)
  • ·
    1 cup confectioners’ sugar
  • ·
    chopped toasted walnuts (optional)

How to Make Maple-Spice Cookie Squares with Mayonnaise Icing


  1. Preheat oven to 350º F. Grease and flour a 9” x 13” baking dish; set aside.
  2. Mix first 7 ingredients and turn into prepared baking dish; smooth and press down gently with back of spoon.
  3. Bake for 25 minutes till brown. It will rise slightly and then fall when removed from oven. Set on wire rack.
  4. While this is baking – prepare your icing, by mixing all icing ingredients (except walnuts) together until well blended.
  5. Drizzle/spread on the icing while the bottom layer is still hot. Sprinkle on walnut pieces, if using. Allow to cool, cut into squares and enjoy.

Printable Recipe Card

About Maple-Spice Cookie Squares with Mayonnaise Icing

Course/Dish: Other Breakfast, Cookies
Main Ingredient: Flour
Regional Style: American
Other Tag: Quick & Easy

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