Plug in and heat your waffle maker.
Melt the unsalted butter in a small pan and let cool slightly.
6 tablespoons (85 grams) unsalted butter
In a large bowl, combine the dry ingredients (all-purpose flour, brown sugar, baking powder, baking soda, and salt.
1⅛ cup (138 grams) all-purpose flour, 2 tablespoons (24 grams) brown sugar, 2 teaspoons baking powder, ¼ teaspoon baking soda, ½ teaspoon salt
Measure the buttermilk into a 2 or 4 cup glass measuring cup, then whisk in the eggs, sourdough starter, butter, and vanilla.
⅝ cup (150 grams) buttermilk, 2 eggs, 1 teaspoon vanilla extract, 180 grams unfed sourdough discard
Add the wet ingredients to the dry ingredients and combine just until no traces of flour remain. Then stir in the chocolate chips and chopped strawberries.
½ cup chocolate chips, ½ cup chopped strawberries
Cook in your waffle iron per the manufacturer's directions.