Sesame balls that melt in your mouth💥Not the same as Patisserie's🤷‍♀️ more delicious

Materials:
1 egg yolk (to coat the white)
150g butter
1 teacup of oil
1 tablespoon of vinegar
2 tablespoons of powdered sugar
1.5teaspoon of salt
1 baking powder
4 glasses of flour

At 200 degrees for 20-25 minutes until golden brown