1/2 lb unsalted butter or margarine, melted
2 1/2 cups quick oats
2  cups light brown sugar
4 tablespoons flour
pinch salt
1 egg
1 teaspoon vanilla
 

• Dissolve sugar in butter and let cool. Gradually add dry ingredients, then slightly beaten egg and vanilla. 
• Preheat the oven to 375 F (190 C). 
• Drop mixture by teaspoonfuls on a foil or parchment paper lined cookie sheet. 
• Bake about 8 to 10 minutes or until light brown. 
• Cool on racks.