Orange Mini Muffins

Bahan-bahan (24 porsi)

• 1/2 cup granulated white sugar
• 1 medium orange, (zested and juiced)
• 2 cups all purpose flour
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1 cup granulated white sugar
• 1/2 cup (1 stick) salted butter, (at room temperature)
• 1 teaspoon orange zest ((from the orange you zested above))
• 3/4 cup sour cream
• 1/2 cup raisins, (optional)
• 1/2 cup chopped walnuts, (optional)