In a bowl, combine warm water and brown sugar. Sprinkle active dry yeast over the water and let it sit for about 5 minutes until frothy.
Prepare the Dough:
In a large mixing bowl, mix together sourdough discard, yeast mixture, flour, salt, and melted butter. Stir until a dough forms.
Knead the Dough:
On a floured surface, knead the dough for about 5-7 minutes until smooth and elastic.
First Rise:
Place the dough in a lightly oiled bowl, cover, and let it rise for 1 hour, or until doubled in size.
Preheat Oven:
Heat your oven to 425°F (218°C). Line a baking sheet with parchment paper.
Shape the Pretzel Bites:
Punch down the dough, divide it into 8 equal pieces, and roll each piece into a 12-inch rope. Cut each rope into 1.5-inch pieces to form bite-sized pieces.
Prepare the Boiling Solution:
In a large pot, bring 10 cups of water and baking soda to a boil.
Boil the Pretzel Bites:
Carefully drop the pretzel bites into the boiling water in batches. Boil for about 30 seconds each, then remove with a slotted spoon and place on the prepared baking sheet.
Apply Egg Wash:
Brush each pretzel bite with the beaten egg yolk.
Bake:
Bake for 12-15 minutes, or until golden brown.
Add Toppings:
Sprinkle coarse sea salt over the pretzel bites while they're still warm.
Serve:
Enjoy your homemade sourdough discard pretzel bites warm, with your favorite dipping sauces.