Been making this recipe off the Old Mill oatmeal tin for years. Can't beat it.
3/4 cup butter, softened
1 cup lightly packed brown sugar
1/2 cup granulated sugar
2 tbsps water
2 tsps vanilla
2/3 cup all purpose flour
3/4 tsp baking soda
1 tsp cinnamon
3 cups Old Mill oats
1 1/2 cups raisins (or 3/4 cup each raisins/chocolate chips)
Cream butter, sugars, egg, water and vanilla together on medium speed mixer until light and fluffly.
Combine flour, soda and cinnamon. Add to creamed mixture, beating on low speed until blended. Stir in oats.
Mix in raisins. (Or divide dough in half and add raisins to one half and chocolate chips to the other)
Drop dough by heaping spoonfuls onto greased (or parchment lined) baking sheet.
Press flat for crisp cookies,
or leave mounded for chewy cookies.
Bake at 350F for 12 - 15 mins. or until edges are golden brown. Don't overbake.
Here's a look at the raisin cookies
And the chocolate chip ones
Makes 30 large cookies.
(I made 48 medium cookies here)