Prepare the Dough:

Dissolve sugar and yeast in warm water and let it sit until frothy, about 5-10 minutes.
Mix flour and salt in a large bowl. Add the yeast mixture and olive oil, combining to form a dough.
Knead on a floured surface until smooth, about 10 minutes. Place in an oiled bowl, cover, and let rise for 1-2 hours, until doubled.

Preheat the Oven:

If using a pizza stone, place it in the oven. Preheat to 500°F (260°C) for at least 30 minutes.

Assemble the Pizza:

Stretch the dough into a 12-inch circle on a floured surface or parchment paper.
Spread tomato sauce over the dough, leaving a border for the crust. Add mozzarella cheese, then arrange the spicy salami slices evenly on top. Sprinkle with red chili flakes according to your heat preference.

Bake the Pizza:

Transfer the pizza (on parchment if using) to the oven or preheated stone. Bake for 10-12 minutes until the crust is golden and the cheese is bubbly.

Garnish and Serve:

Remove from the oven, drizzle with a bit of olive oil, and garnish with fresh basil leaves. Slice and serve hot.