Cream butter and sugar until fluffy. Beat in egg, vanilla and salt.
In a separate bowl, combine flour, baking powder, and rolled oats and mix. Blend wet and dry ingredients, and fold in raisins and walnuts. Add a tablespoon or more of water if necessary to hold the mixture together.
Place by the spoonful on greased cookie sheets. Flatten slightly and bake for 10 to 12 minutes.
Makes approximately 24 cookies
Nutrition Information: Calories 125; Total Fat 7g; Saturated 3g; Cholesterol 18mg; Sodium 90mg; Total Carbohydrates 14g; Dietary Fiber 1g, and Protein 3g.