It's dinner time!

Ingredients

• 2 (9 ounce) packages cheese tortellini
• 1 (8 ounce) package crumbled feta cheese
• 3 roma tomatoes, diced
• 1 (6 ounce) can black olives
• ½ cup chopped walnuts
• 1 bunch green onions, sliced
• 5 cloves garlic, chopped
• 1 cup white vinegar
• ½ cup olive oil, or as needed
• 1 teaspoon dried basil
• salt to taste