Sift flour, baking soda and salt into mixing bowl. Stir in rolled oats. Sift brown sugar into mixture. Using hands, work in softened butter until mixture is well blended. Spread on bottom of an 8 inch square pan. Press down firmly. For the topping, beat egg. Blend brown sugar with egg and beat. Add shredded coconut and chopped cherries. Pour over first mixture. Sprinkle with nuts. Bake in a moderately slow oven, 300°F for about 35 mins.