Veggie-Filled Dough

Ingredients:
For the Dough:
1 tea glass of warm milk (100 ml)
1 tea glass of warm water (100 ml)
1/2 tea glass of vegetable oil (50 ml)
1 tablespoon of granulated sugar (20 grams)
1 tablespoon of dry yeast (10 grams)
4 cups of flour (480 grams)
1 teaspoon of salt (8 grams)
For the Filling:
1 red pepper, chopped into cubes
1/2 yellow pepper, chopped into cubes
1 tomato, chopped into cubes
1 green tomato, chopped into cubes
6 green peppers, chopped into cubes
4 green onions, chopped into small pieces
Instructions: