Mini Peanut Butter Tarts
["1/2 c. oleo", "1/2 c. brown sugar, packed", "1/2 c. granulated sugar", "1 egg", "1/2 c. creamy peanut butter", "1/2 tsp. vanilla", "1 1/4 c. flour", "3/4 tsp. baking soda", "1/8 tsp. salt", "about 42 miniature peanut butter cups (remove wrappers)"]
["Combine butter, sugars, egg, peanut butter and vanilla in a mixing bowl.", "Beat until smooth."]
["oleo", "brown sugar", "sugar", "egg", "peanut butter", "vanilla", "flour", "baking soda", "salt", "peanut butter"]