These simple orange raisin muffins have spectacular fresh orange flavor! They're moist and tender and absolutely bursting with flavor, since they're made with a whole orange and orange juice.
Preheat oven to 400°F. Line a standard muffin pan with paper liners. Set aside.
Zest the orange. Add the zest to a bowl with the sugar and rub the orange zest into the sugar to release the oils. Set aside.
1 large orange, ¾ cups granulated sugar
Peel and quarter the zested orange. Remove any seeds.
Add the orange quarters, orange juice, butter, vegetable oil, and egg to a blender and purée. Transfer the mixture to a large mixing bowl.
1 large orange, ⅓ cup orange juice, 4 Tablespoons unsalted butter, 2 Tablespoons vegetable oil, 1 large egg
In a separate bowl, add flour, baking powder, baking soda, salt, and orange sugar mixture and whisk to combine.
2 cups all-purpose flour, 1 ½ teaspoons baking powder, 1 teaspoon baking soda, 1 teaspoon fine sea salt
Add the flour mixture to the orange mixture and stir gently until just a few streaks of flour remain.
Fold raisins into batter.
½ cup raisins
Let the batter sit for 10 minutes before filling each well of the muffin pan ¾ full.
Bake muffins at 400°F for 5 minutes, then reduce oven temperature to 350°F and continue to bake for another 15 minutes or until muffin tops are golden and spring back when lightly poked. Let cool.
Notes
Storage: Muffins are best on the day they are baked, though leftovers can be stored in an airtight container at room temperature for up to 4 days.Freezing: Once completely cooled, muffins can be sealed in an airtight container and frozen for up to 3 months.