Cookie Dough-Stuffed Chocolate Chip Cookie Sandwiches

To make the cookie dough ultra rich and creamy, I used a combination of butter and heavy cream, plus a few other key ingredients. To ensure that you don’t wind up with grainy cookie dough, you’ll want to whip the butter and sugar together for a few minutes until nice and fluffy. Don’t skip this step! It’s key to your cookie dough happiness.