Pumpkin Chocolate Chip Cookies

1 1/2 cups softened butter
2 cups packed brown sugar
1 cup sugar
15-ounce can pumpkin
1 egg
1 teaspoon vanilla extract
4 cups flour
2 cups quick-cooking oats
2 teaspoons baking soda
2 teaspoons cinnamon
1 teaspoon salt
12-ounce bag (2 cups) chocolate chips

Mix the butter, brown sugar, and sugar in a large bowl. Add in the pumpkin, egg, and vanilla. In a medium bowl, combine the flour, oats, baking soda, cinnamon, and salt. Add this to the pumpkin mixture. Add the chocolate chips. Bake in a 350 degree oven for about 10 minutes. The cookies should be slightly brown.