simple and delicious banycski

1 teaspoon sugar
1 teaspoon dried yeast
1 tablespoon oil
4.5 cups flour, or gradually add as needed

For the shortening:
50 g butter
1/2 teaspoon oil (50 ml)

Optional:
ricotta cheese and chopped fresh parsley

For the topping:
egg yolk and 1 teaspoon oil or milk

Instructions