This cake is all about the citrus. The key techniques are browning the butter to create a nutty foundation and creaming it with the sugar and citrus zest to release their fragrant oils. A simple orange juice glaze soaks into the cake while it's still warm, making it incredibly moist.
Prep Time 25 minutesminutes
Cook Time 55 minutesminutes
Cooling Time 1 hourhour
Total Time 2 hourshours20 minutesminutes
(Keep screen awake)
Ingredients
For the Cake
12tablespoonsunsalted butter1 1/2 sticks
1 1/2cupsall-purpose flour
1 1/2teaspoonsbaking powder
1teaspoonDiamond Crystal kosher salt
1 1/4teaspoonsgrated lime zest
1 1/2teaspoonsgrated orange zest
3/4cupgranulated sugar
3large eggsroom temperature
1/4cupfull-fat plain Greek yogurt
1/3cupbitter orange marmalade
2tablespoonsfresh orange juice
1teaspoonvanilla extract
For the Glaze
1cupconfectioners' sugar
4tablespoonsfresh orange juice
Method
Preheat oven to 350F. Grease and flour 9x5 inch loaf pan.
Brown butter in light-colored saucepan over medium heat until nutty, 5-8 minutes. Pour into large bowl to cool 10 minutes.
Whisk flour, baking powder, and salt in separate bowl.
Beat cooled brown butter with sugar and citrus zests 3-4 minutes until fluffy.
Beat in eggs one at a time, then yogurt, marmalade, orange juice, and vanilla.
Fold in dry ingredients until just combined.
Pour batter into pan and bake 50-55 minutes until toothpick comes out clean.
Cool in pan 10 minutes.
Mix confectioners' sugar and orange juice for glaze.
Turn cake onto wire rack with baking sheet underneath.
Pour glaze over warm cake.
Cool completely before slicing.
Notes
Beating zest with butter/sugar is crucial for releasing oils and maximizing citrus flavor.