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Tetris Cookies

My favorite video game of all time is Tetris. It’s simple, addicting, and oddly soothing. My love of the game was intensified when the tetriminos were colorized. Each tetrimino has a color and I stayed true to that with these cookies. I’m not overly thrilled with these cookies because my icing was more watery than it should have been — and the end result is a bit bumpy. But I try not to be one of those baking bloggers who only posts treats that turn out to be “perfect” — so here these are!

If you are a new to decorating with royal icing, here are some helpful tips and links:

Here are the specifics on how I made these cookies:

Omi’s Sugar Cookies

1 cup butter
1 cup sugar
1 large egg
1/2 teaspoon salt
3 cups flour
1 teaspoon baking soda
1/2 cup sour cream
1 teaspoon nutmeg

Beat butter and sugar. Add egg, sour cream, and nutmeg. Add dry ingredients gradually. Chill the batter overnight or for at least 4 hours. Roll out dough and cut with cookie cutters. Bake at 350F until golden (in true fashion, my grandma didn’t give a specific baking time. I baked the cookies for about 8 minutes).

You’ll get about three dozen Tetris pieces using this recipe. I’d suggest doubling the batch if you want more cookies.

White Royal Icing
4 cups powdered sugar, sifted
2 Tablespoons meringue powder
5 Tablespoons water

Combine all ingredients in the bowl of a stand mixer fitted with the paddle attachment. Mix on low speed until the sheen has disappeared and the icing has a matte appearance (about 7-10 minutes).  Transfer the contents of the mixing bowl to an air-tight container. This will be the stiffest consistency of the icing, and at this point it is still too stiff to use for decorating. Add water a very small amount at a time and stir by hand until fully incorporated. Continue until the icing has reached a consistency appropriate for piping.

You will most likely need to make two batches of icing for this project — because of all the colors involved.