Oatmeal Raisin Muffins

1 cup old-fashioned rolled oats

1 cup buttermilk

1 egg beaten

1/2 cup brown sugar packed

1/2 cup melted margarine

1 cup flour

1/2 tsp salt

1 tsp baking powder

1/2 tsp baking soda

1/2 cup raisins

mix all wet ingredients and oats and let sit for 1/2 hour then add the rest of the ingredients and mix until moist bake in 400 degree oven for about 20 minutes or until lightly browned