No-Knead Onion Rolls

INGREDIENTS

3 tbsp

olive oil

3 cups

onions, finely chopped

2 tbsp

+ 1 teaspoon granulated sugar

coarse salt

1/4 oz

package active dry yeast

large egg

3 tbsp

unsalted butter, melted plus more for greasing the pan

3 cups

all-purpose flour, spooned and leveled, plus more for working with the dough