01 -
Dissolve active dry yeast and sugar in warm water. Allow the mixture to rest 5 to 10 minutes until frothy.
02 -
Combine all-purpose flour and salt in a large bowl. Add yeast mixture and olive oil, mixing until a cohesive dough forms.
03 -
Transfer dough to a floured surface. Knead by hand for 8 to 10 minutes until smooth and elastic.
04 -
Place dough in a lightly oiled bowl. Cover and allow to rise in a warm area for 60 to 90 minutes until doubled in size.
05 -
While dough rises, thinly slice meats, peppers, and onions. In a small bowl, mix minced garlic with Italian seasoning.
06 -
On a floured surface, roll dough into a rectangle approximately 12 by 16 inches.
07 -
Layer pepperoni, salami, and ham evenly over dough, leaving a 3/4 inch border. Sprinkle mozzarella and Parmesan evenly. Distribute peppers and onion if using. Scatter garlic-seasoning mixture on top.
08 -
Starting from a long edge, tightly roll dough into a log. Pinch the seams and ends to seal completely.
09 -
Place stromboli seam-side down on a parchment-lined baking sheet. Cover lightly and allow to rest while preheating the oven.
10 -
Beat egg with water. Brush the top of the dough with egg wash. Make several shallow diagonal slashes in the surface.
11 -
Bake in a preheated oven at 400°F for 25 to 30 minutes until golden brown and cooked through.
12 -
Remove from oven and rest 5 to 10 minutes. Slice and serve warm with marinara sauce.