Lemon Cream Cheese Cupcakes

I am way behind on blogging all of the fun things I've been making. I made these a while back for a church party and enjoyed each and every one of them I ate. Really, how can you go wrong with lemon, cream cheese and cupcakes...

*1 pkg. white cake mix
*1 pkg. (3.4 oz) lemon instant pudding mix
*1 c. water
*4 egg whites
*2 TBSP. oil
*16 oz. powdered sugar (about 4 c.)
*8 oz. cream cheese, softened
*1/4 c. butter, softened
*2 TBSP. lemon juice

Heat ofen to 350. Beat cake mix, pudding mix, water, egg whites and oil in a large bowl with a mixer on low speed until moistened. Beat on medium speed for 2 minutes.
Spoon into 24 muffin tins lined with cupcake wrappers. Bake 21-24 minutes, until toothpick inserted in center comes out clean. Remove to wire racks and cool completely.
Beat sugar, cream cheese, butter and lemon juice with mixer on low speed until well blended. Frost cupcakes.I was glad I had a little frosting left as I really enjoyed spooning it on some Nilla wafers.