- 1 cup butter, softened
- 1 cup brown sugar
- 1/2 cup white sugar
- 2 eggs
- 1/2 teaspoon vanilla extract
- 1 3/4 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 teaspoon ground cinnamon
- 2 1/2 cups rolled oats
- 2 cups semisweet chocolate chips
- Preheat oven to 350 degrees F (175 degrees C). Line a 9×13 inch baking pan with aluminum foil.
- In a medium bowl, cream together the butter, brown sugar and white sugar until smooth. Beat in the eggs one at a time, then stir in the vanilla. Combine the flour, baking soda, salt and cinnamon; gradually blend into the creamed mixture. Stir in the oats. Press the dough into the bottom of the prepared pan.
- Bake for 25 to 30 minutes in the preheated oven, until firm and lightly toasted at the edges. Melt chocolate chips in the microwave or in a metal bowl over a pan of simmering water, stirring frequently until smooth. Spread over bars. Cool completely before cutting into squares.