Prepare the Dough: Mix 2 cups of flour, 1 packet of yeast, and a pinch of salt. Gradually add ¾ cup of warm water until a soft dough forms. Knead for 5 minutes, let rise for 1 hour.

Caramelize Onions: Heat 2 tablespoons of olive oil in a skillet. Add 2 sliced onions and cook for 20-30 minutes until golden.

Sauté Spinach: Add 2 minced garlic cloves, sauté for 1 minute. Add 2 cups of spinach, cook until wilted. Mix in optional nutritional yeast.

Roll Assembly: Preheat oven to 375°F. Roll dough into a rectangle, spread filling, roll tightly, and cut into 12 pieces.

Baking: Bake for 20-25 minutes until golden brown.

Cooling: Let cool for 5-10 minutes before serving with marinara sauce.