01 -
Preheat oven to 175°C. Grease and line a 23×13-centimetre loaf pan with parchment paper.
02 -
In a large mixing bowl, cream together softened butter and granulated sugar until light and fluffy using a hand mixer or stand mixer.
03 -
Beat in the eggs one at a time, mixing well after each addition. Add lemon juice and lemon zest; mix until combined.
04 -
In a separate bowl, whisk together all-purpose flour, baking powder, baking soda, and salt.
05 -
Gradually add dry ingredients to the wet mixture, stirring until just incorporated. Do not overmix.
06 -
Fold in sour cream or Greek yogurt until batter is smooth. Gently fold in diced rhubarb to distribute evenly.
07 -
Transfer batter to prepared loaf pan, spreading evenly. Bake for 50 to 60 minutes, or until a skewer inserted into the centre emerges clean.
08 -
Allow loaf to cool in pan for 10 minutes. Remove and transfer to a wire rack to cool completely before glazing.
09 -
In a small bowl, whisk together powdered sugar and lemon juice until smooth. Stir in rhubarb syrup or compote for colour, if desired.
10 -
Drizzle glaze over fully cooled loaf. Slice and serve.