These cookie bars are easy to make with just 20 minutes of prep time, and they’re a hit with everyone. With the perfect mix of butter, sugars, and chocolate chips or m&ms, they transform into chewy, delicious treats after cooling.
1: Cream butter and sugar until combined.
2: Add vanilla and eggs until combined.
3: Stir flour, salt, and baking soda, then add into mixture one cup at a time until combined and smooth.
4: Add in chips or m&ms.
5: Spread into a buttered 9x13 baking dish, pressing lightly to spread evenly.
6: Bake at 350°F for EXACTLY 20 minutes.
7: Let it sit at room temperature for 1 hour after baking before serving.
