Preheat oven to 425°F (220°C).

Grease 2 large baking sheets.

In a large bowl, sprinkle yeast over warm water.

Stir with a rubber spatula until well blended and the yeast is dissolved.

Ensure the water temperature is between 105°F and 115°F (40-46°C).

Do not use water that is too hot, as it will kill the yeast.

With a wooden spoon, gradually stir in sugar, salt, and about 3 1/2 cups of flour until a soft and slightly sticky dough forms.

Knead the dough until smooth and elastic.

Divide the dough into equal portions.

Roll each portion into a long rope.

Shape each rope into a pretzel.

Brush each pretzel with egg wash.

Sprinkle with coarse salt.

Bake until golden brown.