- In mixing bowl, dissolve yeast in warm water. Stir with a spoon until fairly mixed, about 1 minute. Some clusters of yeast may remain. Add salt, sugar, and melted butter; stir until fairly combined. Slowly add 3 cups of flour, 1 cup at a time. Mix with a wooden spoon (or dough hook attached to stand mixer) until dough is thick. Add 3/4 cup more flour until the dough is no longer sticky. If it is still sticky, add up to 1/4 cup more. Poke the dough with your finger - if it bounces back, it is ready to knead. 
- Turn the dough out onto a lightly floured surface. Knead the dough for about 3 minutes and shape into a ball. Place in a large mixing bowl that has been lightly coated with nonstick spray. Cover and let the dough rest in a warm area for about 10 minutes. 
- Preheat oven to 425°F. Line two large baking sheets with parchment paper or silicone baking mats. Set aside. 
- With a sharp knife, cut ball of dough into 6 sections. Roll the dough into six 20-inch long ropes. Cut the rope into 1 1/2-inch pieces to make bites. 
- Boil 9 cups of water with 2/3 cup of baking soda. Drop 8-10 pretzel bites into water and let sit for 20 seconds. Remove with a spatula or slotted spoon and place onto the prepared baking sheet. Make sure the bites aren't touching. 
- Brush beaten egg over each pretzel bite. Sprinkle with sea salt. Bake batches for 15 minutes each, or until golden brown. 
- Remove from oven and serve with cheese sauce or honey mustard. Pretzel bites remain fresh for up to 3 days in an airtight container, though they will lose some softness.