Twix Cupcakes

        Twix Cupcakes 
1 box chocolate fudge cake mix (eggs, oil and water as listed on box)
1 sm pkg chocolate fudge instant pudding
1 c. sour cream
2 pkgs Keebler Simply Shortbread cookies
1 jar Smuckers Caramel topping
2 bags mni Twix candy bars

Combine cake mix and dry pudding in a mixing bowl. Add remaining ingredients listed on box and sour cream, and mix as directed. Press a shortbread cookie into each cupcake liner, then fill 2/3 full with batter. Bake @ 350 degrees for 15-18 min. Cool completely, then fill cupcakes with caramel topping, using piping bag and tip. Don't overfill, or cupcake will break open. Frost with Caramel Buttercream Frosting and top with coarsly chopped Twix candy bars.
           Caramel Buttercream Frosting
2 sticks unsalted butter, softened
2 tsp vanilla
1 jar Smuckers Caramel topping
2 lb bag powdered sugar

Cream butter and vanilla, then mix in half of powdered sugar and half of caramel topping. Mix on medium to med high speed. Add remaining powdered sugar and caramel topping until desired consistency. Frosting needs to be stiff enough NOT to drip off beater for piping.