Zucchini "Ratatouille" - cooking recipe

Ingredients

1 tablespoon olive oil
1 1/2 cups chopped onion
1 cup (1-inch) pieces sweet bell pepper
4 cups (1-inch) pieces zucchini
1 1/2 cups water
1 (6 ounce) can tomato paste
4 cloves garlic, crushed
1/2 teaspoon dried oregano
salt and ground black pepper to taste

Preparation

Heat olive oil in a skillet over medium-high heat; saute onion and bell pepper until softened, 5 to 10 minutes. Add zucchini, water, tomato paste, garlic, and oregano; cover skillet and simmer over medium-low heat, stirring frequently, until zucchini is softened and transparent, about 20 minutes.