Mix dry ingredients. In a large bowl, stir together flour, sugar, salt, and yeast.
Add wet ingredients. Pour in warm water and olive oil. Mix all ingredients until a smooth dough forms.
Let rise. Oil a round bowl, then loosely cover the bowl with greased plastic wrap (to prevent sticking to dough or a damp cloth. Let dough rise in a warm place until it doubles in size, about 1–1½ hours.
Shape dough. Gently punch down dough to degas it, then divide into 6 equal pieces. On a lightly floured surface, roll each portion into a round shape and place on a lined baking sheet.
Second rise. Make a small "X" on top of each dough ball with a serrated knife. Cover dough balls loosely with greased plastic wrap or foil and let them rise in a warm spot until they become puffy (about 30–45 minutes).
Preheat oven to 375°F.
Brush with egg. Whisk 1 egg and 1 tablespoon of water together. Brush the dough balls with egg wash.
Bake for 25–30 minutes, until the bread bowls are golden brown and sound hollow when tapped.
Cool and hollow. Let cool for 15-20 minutes, then cut the tops with a serrated knife and scoop out the insides to create edible bowls. Fill with your soup of choice.
Notes
Adjust dough, as needed:If the dough is too sticky, add 1 tablespoon of flour at a time. If it's too dry, add 1 teaspoon of water at a time.
I let my dough rise in the microwave but any warm spot will do.
Rise time will vary depending on warmth of the area. The ideal room temperature for rising is between 75 - 80°F.