🥘 Ingredients
- cane sugar 1 cup
- lemon juice from 1 large lemon
- lemon zest from 1 large lemon
- unsalted butter ½ cup
- eggs 3 large
- avocado oil ¼ cup
- vanilla extract 1 tsp
- milk ¼ cup
- sourdough discard ½ cup
- all-purpose flour 1 ½ cups
- salt 1 tsp
- baking powder 1 tsp
- blueberries 1 ½ cups
- all-purpose flour ½ Tbsp
- unsalted butter 4 Tbsp
- cane sugar 2 Tbsp
- all-purpose flour ½ cup
- salt 1 pinch
🍳 Cookware
- loaf pan
- parchment paper
- large mixing bowl
- wooden spoon
- separate bowl
- small bowl
- small bowl
- toothpick
- wire rack
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1Preheat your oven to {350%°F} (175°C). Generously grease a loaf pan and line it with parchment paper .
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2In a large mixing bowl , beat the cane sugar , lemon juice , lemon zest , and melted unsalted butter for about {1%minute}.
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3Add the eggs , avocado oil , vanilla extract , and milk , then beat again until just combined.
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4Use a wooden spoon to stir in the sourdough discard until fully combined.
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5In a separate bowl , whisk together the all-purpose flour , salt , and baking powder .
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6Pour the dry ingredients into the wet ingredients. Fold them together until just incorporated; do not over-mix.
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7In a small bowl , toss the blueberries with the extra all-purpose flour until coated. Gently fold the blueberries into the batter.
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8Pour the batter into the prepared loaf pan.
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9In a small bowl , combine the crumble ingredients: melted unsalted butter , cane sugar , all-purpose flour , and salt . Spread the mixture evenly over the top of the batter.
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10Bake for 60 to 70 minutes . Start checking at the 50-minute mark with a toothpick ; it is done when the toothpick comes out clean or with just a few moist crumbs.
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11Allow the bread to cool in the pan for {20%minutes} before transferring it to a wire rack . Let it cool for another {40%minutes} before slicing.