Combine brown sugar, butter, and milk in a saucepan and bring to a boil. Boil 1 minute. Pour over nuts, oats and vanilla. Drop by teaspoonfuls on wax paper. Cool. For chocolate drops use 2 cups white sugar and 1/2 cup cocoa. You could also add peanut butter and/or chocolate chips, carob chips, coconut, etc. To the oatmeal/nut mixture before pouring the hot sugar mixture over.