Pasta Picnic Salad Recipe

2 cups rotini pasta, uncooked
1 package (3 1/2 0z.) sliced pepperoni
2 avocados, peeled, sliced into small chunks, sprinkled with lemon juice
2 cups sliced fresh mushrooms
2 cups cherry tomatoes, halved
1/4 cup sliced green onions
1/4 teaspoon lemon pepper
3/4 cup bottled Italian salad dressing

Cook pasta according to package directions. Rinse with cold water; drain well. Combine with remaining ingredients, mixing gently but thoroughly. Cover; chill 4 hours or overnight.