How to Make the Churro Batter
1. Melt butter in the saucepan
2. Mix in water, granulated sugar, and salt
3. Once the butter, sugar, and salt are fully incorporated mix in flour and remove from heat
4. Let the mixture rest for 5-10 minutes
5. Add vanilla and eggs to the flour, butter, salt, and sugar mixture
6. Mix with your hands until it is smooth