Cool the dough before adding the eggs
The dough should still be warm but no longer steaming heavily when the eggs are added.
If it is too hot, the eggs can begin cooking before they are incorporated. If it becomes completely cold and firm, mixing and piping may become more difficult.
Add the eggs one at a time
The dough may initially look separated or slippery after each egg is added. Continue mixing until it becomes smooth again before adding the next one.
This gives you better control over the final consistency.
Use a sturdy piping bag
The dough is thicker than cake frosting and can split a thin piping bag.
Use a sturdy bag with a properly fitted star tip, and avoid filling it completely so it remains easier to control.
Shape before frying
Pipe the churro fries onto a lined tray before transferring them to the oil. This gives you better control over their length and keeps your hands farther from the hot oil.
Keep the oil temperature steady
Aim for 175–180°C. Oil that is too cool can make the churro fries greasy, while excessively hot oil can brown the outside before the center cooks.
Fry in small batches and let the oil return to temperature between batches.
Coat while warm
Allow the churro fries to drain briefly, then toss them in cinnamon sugar while their surfaces are still warm.
Waiting too long can make the coating slide off instead of sticking evenly.
Adjust the sauce after warming
The peanut butter sauce thickens as it cools. Warm it gently and stir in a small amount of milk when needed.
Avoid boiling it aggressively because the sauce can become oily or catch on the bottom of the pan.