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This is the closest recipe I've found that produces the same thick Toll House Cookies I remember as child.
* 1/2 cup unsalted butter * 1/2 cup brown sugar * 1/4 cup granulated sugar * 1 tsp vanilla * 1 large egg, room temp * 1 1/2 cup flour * 1/2 tsp baking soda * 1/2 tsp salt * 1 cup chocolate chips (or 1/2 cup large chocolate chips; or 3/4 cup chopped walnuts and 1/4 cup chocolate chips)
* Preheat oven to 350°F * Melt butter (not too hot) * Combine sugars * Add butter, vanilla, and egg to sugars * Sift in flour with baking soda and salt mixed in * Stir until flour *almost* disappeared and then stir in chocolate chips and/or walnuts * Bake 11-12 minutes (only 10 minutes in convection oven)