Light and tender cake loaded with fresh, tangy lemon and just a hint of aromatic lavender, this Lavender Lemon Sourdough Bundt Cake will make any day feel like a special occasion.
Infuse milk: Combine milk and lavender in a small sauce pan. Heat until the mixture registers 140 F, remove from heat and allow to steep for 5 to 10 minutes or until fragrant. Staring the lavender out of the milk and discard. Set aside.
Make the batter: In a large mixing bowl, combine the sugar and lemon zest together. Use your fingertips to rub the zest into the sugar.
Beat butter into the sugar using a handmixer fitted with beaters until combined and there are no chunks of butter left (don’t cream or aerate the butter).
Add the eggs and sourdough discard to the butter mixture and mix on low until combined.
Fold in the all-purpose flour, cake flour, baking powder, and sea salt in that order, just until combined and a few traces of flour remain.
With the hand mixer on, slowly stream the milk into the batter until a third of it is incorporated into the batter. Switch to a spatula or wooden spoon and fold the remaining milk until just combined, this will prevent too much air from being whipped into your batter.
Grease the pan: Pour canola oil into the bundt pan. Use your fingertips to coat all the nook and crannies of the pan with oil. Pour out any excess.
Bake: Pour the batter into the prepared pan. Bake for 1 hour 10 minutes to 1 hour 15 minutes or until a toothpick inserted in the center comes out clean and the top is golden brown. Allow to cool completely in the pan at least 3 hours or overnight.
Make the glaze: Combine the sifted powdered sugar and 2 tablespoons of lemon juice in a bowl. Whisk together until smooth, add in lemon juice a drop at a time to thin the glaze out into your desired consistency. It should be a little thick so it doesn’t run off your cake.
Remove from pan: Once the cake has cooled and set completely, turn it out of the pan and plop it onto your serving platter (gravity will help dislodge the cake from the pan).
Glaze and decorate: Pour the glaze over the top of the cake. Sprinkle lavender on top (or just on one side) if you want extra lavender flavor! Top with candied lemons for a decorative twist. Allow the glaze to set for 30 minutes before slicing.
Store: Store cake slices in an airtight container for up to 3 days.
Notes
When in doubt, use gram over volume measures. High Altitude: Bake at 350°F for 1 hour 15 minutes or until a toothpick inserted in the center comes out clean and the top is golden brown.