Crunchy, Buttery Sea Stars

The holidays are a great time to have a bit of fun in the kitchen. Here’s a recipe for butter cookies (adapted from Cook’s Country) that can be shaped into anything you like, including some of our underwater favorites:

Cookies on the sea floor!

So. many. sea stars.

Ingredients Preparation
2 3/4 cups all-purpose white flour
1 1/4 cups granulated sugar
1 teaspoon baking powder
1/4 teaspoon table salt
2 large egg yolks
3/8 cup sour cream
1 tablespoon vanilla
1 1/2 sticks (12 tablespoons/175 g) unsalted butter
1. Melt the butter and set aside to cool slightly.

2. In a large bowl, combine dry ingredients and whisk together.

3. In a smaller bowl, whisk egg yolks, sour cream, and vanilla until combined. Slowly add melted butter, whisking constantly, until mixture is smooth and homogeneous.

4. Pour wet ingredient mixture into dry ingredients; mix until flour is completely incorporated and the dough roughly makes a ball.

5. Turn dough out onto sheet of parchment paper (lightly floured if necessary), and separate into two halves.

Rolling the dough

Flip the dough (carefully) every so often to prevent sticking.

Some tips on rolling out the dough: it should be a bit chilled so that it won’t melt all over your fingers and stick to the rolling pin, but not so cold that it breaks when you shape it. An hour in the fridge or 20 minutes in the freezer should be about right, after which you should take it out, knead and shape it into a ball, preheat the oven, and then get rolling. As you work, if the dough gets too warm, just keep re-cooling it in the fridge.

On a sheet of parchment/baking paper, roll the dough out to about 1/8-inch (3.5 mm) thick. You can use a bit of flour to help keep things from sticking, but the more you use, the tougher the cookies will be. I didn’t use any at all, and it was fine.

Once you’ve cut out the shapes you’re making, you can re-knead the scraps together and re-roll the dough (possibly chilling it again) until you’ve used it all up.

Sand dollars: use a circle cutter, then make little notches as shown and optionally scratch the star into the surface to help with decorating later.

Sea stars: I started out cutting these by hand, which gives them a suitably organic look. But you can also use a star cutter and lengthen the arms by notching the cut stars in the middle and then shaping the rest by hand.

Fish and scallops: if you have appropriate-shaped cutters, go wild. I didn’t have them, so I had to freehand these. But I found that if you accidentally make the fish too fat and the tail too short, you end up with a scallop!

Bake the cookies in an oven heated to 325F (160C) until the edges of the cookies are golden brown. Cooking time will depend on your dough’s thickness and the size of the cookies as well as whether you’re using a convection/fan oven. If you’re using a conventional oven and a cold baking sheet, expect it to take 15 minutes and rotate the baking sheet at about 7 minutes in. For a fan oven it will take less time, especially if you use the parchment-paper-on-oven-rack method, as shown.

Sand Dollars

I made a lot of sand dollars (shown pre-starred).

Decorating: make some simple icing by combining a lot of icing sugar (powdered sugar) with a little liquid until you have the right consistency (try a couple tablespoons of liquid and about a cup of sugar to start). For plain white icing, use milk. For a bit of citrus, try fresh lemon juice. You can also add food coloring or flavor extracts.

The icing can be a decoration on its own, or it can be a glue that holds other decorations on. Those decorations can include sprinkles of various sizes and shapes, colored sugars, and chocolate chips.

To make the fish eyes, I placed a mini chocolate chip at the right place on the cookie as soon as it came out of the oven. The chocolate melts from the residual heat, and when it firms up again it’s stuck there. If you want to make, say, scallops covered entirely with chocolate, put several chocolate chips on top, wait until they melt, and then use a spreading tool (in descending order of gadgetry: offset spatula, back of spoon, clean fingertip) to spread the melted chocolate around on top of the cookie. Harden the chocolate with a few minutes in the fridge.

Galaxy Zoo grad student, Becky Smethurst likes the fish!

Galaxy Zoo grad student Becky Smethurst likes the fish!

What would be your preferred seafloor shape to bring to your next holiday party?

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  1. Zooniverse Advent – Buttery Biscuit (Sea) Bass | Daily Zooniverse - December 13, 2013

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