Peanut Butter Sandwich Cookies

Ingredients

• 0.5 cup granulated sugar 
• 0.5 cup brown sugar packed
• 0.5 cup peanut butter 
• 0.3 cup shortening 
• 0.3 cup butter softened
• 1  eggs 
• 1.3 cups flour all-purpose
• 0.8 teaspoon baking soda 
• 0.5 teaspoon double-acting baking powder 
• 0.3 teaspoon salt 
• 16 oz chocolate frosting 

Equipment

• bowl
• baking sheet
• oven
• wire rack
• hand mixer

Directions

1. In large bowl, beat sugars, peanut butter, shortening, butter and egg with electric mixer on medium speed, or mix with spoon. Stir in flour, baking soda, baking powder and salt. Cover; refrigerate about 3 hours or until firm.
2. Heat oven to 375°F. Shape dough into 1 1/4-inch balls. On ungreased cookie sheet, place balls about 3 inches apart. Flatten slightly in crisscross pattern with fork dipped in flour.
3. Bake 9 to 10 minutes or until light brown. Cool 2 minutes; remove from cookie sheet to cooling rack. Cool completely, about 30 minutes.
4. Spread chocolate frosting between bottoms of pairs of cookies.