01 -
In a large mixing bowl, combine the warm water, yeast, and sugar. Let the mixture sit for 5 minutes until it becomes frothy.
02 -
Add the flour, salt, and melted butter to the yeast mixture. Stir until a dough forms.
03 -
Transfer the dough to a floured surface and knead for about 5 minutes, until the dough is smooth and elastic.
04 -
Place the dough in a greased bowl, cover it with a clean cloth, and let it rise in a warm place for 1 hour or until the dough doubles in size.
05 -
Preheat your oven to 450°F (230°C) and line two baking sheets with parchment paper.
06 -
Punch down the dough and divide it into 12 equal pieces. Flatten each piece into a 4-inch circle. Place 1 tablespoon of shredded mozzarella and a sprinkle of grated Parmesan in the center of half of the dough circles.
07 -
Top each filled dough circle with a plain dough circle. Pinch the edges tightly to seal the filling inside.
08 -
In a large pot, bring 10 cups of water and the baking soda to a boil. Carefully dip each pretzel into the boiling water for about 30 seconds, then remove them and place them on the prepared baking sheets.
09 -
Brush each pretzel with the beaten egg and sprinkle with coarse sea salt and chopped rosemary.
10 -
Bake the pretzels in the preheated oven for 12-15 minutes, or until they are golden brown.
11 -
Remove the pretzels from the oven and let them cool slightly before serving.