No oven / White milk bun with sweet red bean paste / How to make steamed white bun / easy recipes

White milk steamed bun filled with sweet red bean paste is really good in winder. Here are recipes for white steamed bun and sweet red bean paste
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Ingredients
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2/3 cup warm milk (160ml, 160g)
3 tablespoons of sugar (45ml, 36g)
Half a teaspoon of salt (3 g)
1.5 teaspoons (5 g) instant dry yeast
2 tablespoons of cooking oil (30ml, 30g)
2 cups of plain flour (480ml, 290g)
red bean paste
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500g red beans (soaked in water for more than 12 hours)
1 cup of sugar (240ml, 200g)
Half a teaspoon of salt (3 g)