Blueberry Rolls

Name: Blueberry Rolls
Prep time: 1 h 30 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 1 tbsp oil (canola or vegetable); 1/2 cup milk; 2 1/4 tsp active dry yeast (1 packet); 4 cups bread flour (or all purpose flour); 1/2 cup granulated sugar; 1 tsp salt; 1/2 cup butter (melted); 2 large eggs; 1/2 cup heavy cream (see notes below); 1 tbsp butter (melted, for baking); 1 1/2 cups blueberries (fresh, see notes for frozen); 1 lemon (zested, save the juice); 2 tsp cornstarch; 2 cups powdered sugar; 1 lemon (juiced); 1 tsp vanilla