Italian Sweetcorn Tuna Pizza

Name: Italian Sweetcorn Tuna Pizza
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: Italian
Ingredients: Lukewarm water: 1 cup (240 milliliters); Sugar: 2 tablespoons (30 milliliters); Salt: 1/2 teaspoon; Vegetable oil: 3 tablespoons (45 milliliters); Flour: 3 cups (360 grams); Yeast: 2 teaspoons (7 grams); Tomato sauce: 1 cup (250 milliliters); 2-3 cans of tuna (slightly mixed (I used 4x80 grams of Rio Mare tuna in oil)); Fresh or grated mozzarella: 8 ounces (250 grams); 1 large red onion or 6 green onions (chopped); 1 can of corn; olives, artichoke hearts, peppers, etc