Preheat oven 375°F. Line a baking sheet with parchment paper. Set aside.
In a small bowl, mix the flour, oatmeal, baking soda, salt, and cornstarch. Set aside
2 cups all-purpose flour, 1.5 ounces instant maple and brown sugar oatmeal, 1 teaspoon baking soda, ½ teaspoon kosher salt, ½ teaspoon cornstarch
Place the butter, brown sugar, and sugar in a large bowl. Using a hand mixer, cream them together. Add the eggs, vanilla, and half-and-half. Whisk well to combine
½ cup unsalted butter, 1½ cups brown sugar, ¼ cup granulated sugar, 2 large eggs, 1 teaspoon pure vanilla extract, 2 tablespoons half-and-half
Add the flour mix to the wet mix and beat on medium speed for 10 seconds
Fold the chocolate chips into the cookie dough
1 cup semisweet chocolate chips
Form 1-inch balls using a cookie portion scoop or a spoon
Place the cookies onto the prepared baking sheet. Using a spatula, lightly press the top of the cookie dough to flatten.
Bake for 11 minutes. Serve warm with milk and enjoy!