Pasta Salad with Tomatoes and Peas with onion

4 cups cooked pasta , macaroni, screws etc 2 green onions , sliced 1 carrot , in matchsticks 2 cups cherry tomatoes , halved 1 cucumber , seeded and diced 1/4[...]

1 (20 ounce) package fresh cheese tortellini 1/2 cup mayonnaise 1/2 cup olive oil 1/4 cup red wine vinegar 1 1/2 teaspoons Dijon mustard 1 teaspoon sugar 1/2[...]

8 plum tomatoes , halved and seeded 1 small green pepper , quartered, ribs and seeds removed 1 cup dried macaroni or 1 cup other pastas 3/4 cup finely chopped[...]