How to make coffee bun/coffee bun recipe

Let's make a delicious coffee bun. Ingredient (10 minutes) Water 110g, Instant dry yeast 7g, Sugar 35g, Salt 7g, Milk 100g,Bread Flour 350g , Butter 20g Rechargeable: Salted butter 5gx10ea (You may add a little salt to unsalted butter) Mocha Topping: 60g butter, 60g sugar, 70g wheat flour (All-purpose flour), 1 egg, coffee liquid (3t instant coffee powder + 2t water) (use 3 tea bags) TIP. Water and milk temperature: Cold water in summer In winter, turn it on a microwave oven for 30-40 seconds before use (Never use water.) Bake 170-180°C (338-356°F)/8-12 minutes in a preheated oven (depending on oven specifications