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Export 8 ingredients for grocery delivery
Step 1
Preheat the oven to 350° F. Allow the butter to soften for only about 20 minutes. Line a baking sheet with parchment paper or use a silicone baking sheet.
Step 2
Combine the butter with the brown and granulated sugar. Beat on medium speed until well combined.
Step 3
Next add the eggs, egg yolks and vanilla extract and continue beating until well incorporated.
Step 4
In a separate bowl, combine the remaining dry ingredients: flour, salt and baking soda. Stir to combine and slowly add the dry ingredients into the dough, mixing on low speed until dough starts to form. As the dough thickens, add the chocolate chips and M&Ms. Beat until incorporated.
Step 5
Using a large cookie scoop, place two scoops of the dough, one stacked on top of the other, and place on baking sheet at least 3 inches apart, 5 cookies will fit on a large baking sheet. Sprinkle with flaky sea salt. Place additional M&Ms and chocolate chips on top
Step 6
Bake for 15-16 minutes. The center of the cookies should be slightly under baked but not too gooey. Allow to cool on the baking sheet for at least 15 minutes before transferring to a wire rack to cool. Cool for 1 hour before enjoying.