Prep your muffin tin: Line a 12-cup cupcake pan or 6-cup muffin pan with paper liners (or see our homemade paper muffins cups below). Spray with cooking spray to avoid sticking. In a large mixing bowl, whisk together the dry ingredients: flour, sugars, baking powder, baking soda, salt, and cinnamon.
In a separate bowl, whisk together the wet ingredients: milk, orange juice, eggs, butter, vanilla extract, and orange zest.
Pour the wet mixture into the dry and gently stir until just combined to form a muffin batter. Don’t overmix or you’ll get dry muffins!
Fold in the cranberries using a measuring cup or spoon.
Divide batter evenly into the prepared muffin tin, filling each ¾ full.
Sprinkle coarse sugar over the top for a bakery-style muffin look and a delicious crunch.
Bake at 350°F for 18-25 min. using this trick for best results:Bake 7 minutes Rotate the pan and bake another 7 minutesCheck for doneness, and bake another 4–6 minutes as needed (large muffins will need longer baking time, about 25-30 min total, so continue rotating the muffin pan in sets of 5 minutes until all muffins are golden brown)Muffins are done when a knife or toothpick inserted in the center comes out cleanCool on a wire rack. Store in an airtight container or wrap in plastic wrap for 3–5 days at r