01 -
Preheat the oven to 350°F (175°C) and grease a 9x5-inch loaf pan.
02 -
In a large mixing bowl, beat the softened butter and granulated sugar together until light and fluffy.
03 -
Add the eggs, lemon juice, and lemon zest to the creamed mixture, and mix until fully combined and smooth.
04 -
In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
05 -
Gradually add the dry ingredients to the wet mixture, stirring gently until just incorporated.
06 -
Fold the sour cream into the batter until evenly distributed, taking care not to overmix.
07 -
Carefully fold the diced rhubarb into the batter to ensure even distribution.
08 -
Pour the batter into the prepared loaf pan and bake for 55 to 65 minutes, or until a toothpick inserted into the center comes out clean.
09 -
Allow the loaf to cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.
10 -
Whisk together the powdered sugar and lemon juice until smooth. Drizzle the glaze evenly over the cooled loaf.
11 -
Swirl in rhubarb syrup or compote into the glaze for added color and flavor, if desired.