Mini Churros in a Bottle

Ingredients:
For the Churros:
1 cup (120g) all-purpose flour

1 tablespoon sugar

1/2 teaspoon baking powder

1/4 teaspoon salt

1/2 cup (120ml) water

2 tablespoons unsalted butter

1 teaspoon vanilla extract

1 egg

Vegetable oil (for frying)

For Coating:
1/4 cup (50g) granulated sugar

1 teaspoon cinnamon (optional)

Instructions: 

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