Now it's Mountain Dew cupcakes...

Found on All Things Cupcakes
Mountain Dew Cupcakes

1 cup butter (2 sticks)
2 cups sugar
4 large eggs
3/4 cup Mountain Dew
1/4 cup of lemon and lime juice (juice from 1 lemon and 1 lime)
zest from 1 lemon and 2 limes (separate into 2 piles, one for buttercream)
1 1/2 teaspoons lemon extract
2-3/4 cups all-purpose flour
1-1/2 teaspoons baking powder
1/4 teaspoon salt

1. Beat butter on medium for 30 seconds.
2. Add sugar and lemon, lime zest. Beat on medium-high until light and fluffy.
3. Add eggs one at a time, Scrape sides of bowl in between additions
4. Whisk together flour, baking powder, and salt in a bowl. Add to mixer bowl. Turn on low for 5 seconds.
5. Add the Mountain Dew, lemon/lime juice, and lemon extract . Mix to combine.
5. Scoop into cupcake papers about two-thirds full.
6. Bake for 18-20 minutes until a cake tester comes out clean.

Mountain Dew Buttercream

1 cup butter (2 sticks)
4-5 cups powdered sugar
2 tablespoons Mountain Dew
Juices from half of 1 lemon and half of 1 lime.
Lemon and lime zest (rest of zest from cupcake recipe. Or zest from half of 1 lemon and 1 whole lime)
1 teaspoon lemon extract
neon green food coloring (yellow and blue if you dont have green)

1. Sift powdered sugar into a bowl or onto parchment
2. Beat butter at medium-high speed until creamy
3. Add half of the sugar, turn mixer on low for 5 seconds.
4. Add the Mountain Dew, zest, and lemon extract . Beat until combined.
5. Add food coloring to the desired color.
6. Gradually add remaining sugar until you get to the consistency and sweetness you like.