Activate Yeast: Combine warm water, 2 tsp of granulated sugar, and yeast in a bowl. Let sit 5 mins until frothy.

Make Dough: Add remaining sugar, flour, honey, melted shortening, egg yolks, vanilla, and salt to the yeast mixture. Mix on medium for 8 mins until smooth.

First Rise: Transfer dough to a greased bowl, cover, and let rise in a warm area for 1 hour until doubled.

Prepare Filling: Combine 2 tbsp of sugar with 1 tbsp cinnamon in a bowl.

Shape Dough: Roll dough into a rectangle, sprinkle filling, roll tightly into a log, and seal edges.

Second Rise: Cut rolled dough into 1-1.5 inch pieces, place on a lined baking sheet, cover, and let rise for 45 mins.

Fry Buns: Heat oil to 365°F (185°C), fry buns for 90 seconds on each side until golden brown.

Glaze Buns: Whisk together powdered sugar and melted butter, dip warm buns, and place on rack until glaze sets.