Warm and gooey deep dish cookie with M&M's

Soft, warm, and gooey is how to describe this deep dish cookie. Pair it with a glass of milk for a delicious treat!

Preheat oven to 375 (see note above about cooking time) In a large bowl, beat both sugars and butter until smooth. Add the vanilla and eggs one at a time, beating well. Add the flour, baking soda, and...
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