Tahini Butter Mochi

Name: Tahini Butter Mochi
Ingredients: 1 stick unsalted butter, softened; 1 cup sugar (I used organic coconut palm sugar); 4 eggs; 1 tablespoon vanilla extract; 3 tablespoons tahini; 2 tablespoons each roasted, ground black and white sesame seeds (reserve half for sprinkling); 2 cups almond milk (you can also use regular dairy or any other alternative milk); 1 can (13.5 ounces) coconut milk; 1 16 ounce box of mochiko flour, ground glutinous rice flour; 2 teaspoons baking powder; 1 teaspoon kosher salt