Sufganiyot Cupcakes With Mini Coconut “Latkes”

Name: Sufganiyot Cupcakes With Mini Coconut “Latkes”
Cuisine: American
Ingredients: 76 grams sugar; 1 egg; ½ teaspoon vanilla extract; 40 grams neutral oil, like canola or vegetable; 70 grams milk (any percentage works); 90 grams all-purpose flour; ½ + ⅛ teaspoon baking powder; ¼ teaspoon fine salt; ⅛ teaspoon nutmeg; 105 grams unsalted butter, soft at room temperature; 175 grams powdered sugar; 25 grams heavy cream; Blue food coloring (optional); 35 grams shredded sweetened coconut; 1 egg white (about 25 grams); Pinch fine salt