How to Make Gluten Free Sourdough Banana Bread

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Ingredients

1 1/2 cups (214 grams) gluten-free flour blend (see notes)

1/2 teaspoon (2 grams) xanthan gum (see notes)

1 teaspoon (5 grams) baking powder

1/2 teaspoon (2 grams) baking soda

1/2 teaspoon (3 grams) fine sea salt

1/2 cup (100 grams) granulated sugar

1/2 cup (73) chopped walnuts

1 cup (229 grams) mashed banana

1/2 cup (100 grams) light brown sugar, lightly packed

2 large eggs, room temperature

1/3 cup milk (regular or dairy-free)

1/3 cup avocado oil (or neutral oil of choice)

1 teaspoon pure vanilla extract

1 cup mature sourdough starter discard (265 grams)