Easy Gluten-Free Chocolate Cake

Name: Easy Gluten-Free Chocolate Cake
Prep time: 15 min
Cook time: 38 min
Total time: 53 min
Cuisine: American
Ingredients: 1 1/2 cups (320g) granulated sugar; 2 cups (285g) all purpose gluten-free flour blend; 3/4 cup (65g) unsweetened cocoa powder; 1 1/2 teaspoons (6g) gluten-free baking powder; 1 1/2 teaspoons (8g) baking soda; 1 teaspoon salt (6g); 2 large eggs (110g), room temperature; 1 cup milk (260g) (or dairy-free milk); 1/2 cup (110g) vegetable oil (or oil of choice); 1 1/2 teaspoons (4g) gluten-free vanilla extract; 3/4 cup (150g) boiling water (for activating the cocoa); 1/2 cup (115g) butter (or dairy-free butter); 1 1/2 teaspoons (4g) gluten-free vanilla extract; 1/2 cup (50g) unsweetened cocoa powder; 4 1/2 cups (450g) powdered sugar; 1/4 cup (40-60g) milk (or dairy-free milk)