Impressive Blueberry Cream Cheese Sweet Buns 

Impressive Blueberry Cream Cheese Sweet Buns
For the yeast mixture
1tbsp yeast
1c warm milk
1tbsp. sugar
Mix all ingredients together well in a very large bowl and let sit 10 minutes
For the dough
4c flour
1tsp salt
4tbsp. melted butter
1/2c sugar
2 eggs
Add all ingredients to the yeast mixture and mix well. Turn onto a floured surface and knead as in video. Cover and rise for about a half hour. Shape as in video and let rise for one hour. Make a well in the center of each dough ball. Scoop the filling (filling below) into each well equally and add the crumb mixture (crumb mixture below) over the top of the cream mixture.
Allow to rest covered for a half hour. Bake in a 350 degree oven for a half hour and are very golden.
For the filling
4tbsp. warmed and not chilled cream cheese
1tsp. vanilla
1 egg yolk
2.5tbsp. sugar
blueberries about a half cup
Beat well and set aside.
For the crumble topping
2tbsp. flour
1tbsp. sugar
1tbsp. butter (can be cold or room temp).
Mix together with your fingers to make it crumble together.