01 -
Preheat oven to 390°F. Line baking sheet with parchment paper.
02 -
Whisk together flour and cocoa powder.
03 -
Melt butter and oil. Add water, brown sugar, food coloring, and salt. Boil 5 minutes. Mix in flour mixture.
04 -
Cool 10 minutes. Beat in vanilla and egg until incorporated.
05 -
Pipe 4-inch strips onto baking sheet. Bake 10 minutes at 390°F, then 7-10 minutes at 350°F.
06 -
Coat warm churros in sugar. Serve with chocolate for dipping.