Cook the pasta in a large saucepan of boiling water following packet directions or until cooked to your liking. Drain and transfer to a bowl.

Combine the mayonnaise, sour cream and lemon juice in a bowl. Season well with pepper.

Cook the bacon in a non-stick frying pan over medium - high heat for 5 - 7 minutes or until crisp. Drain on a paper towel.

Toss 3/4 of the dressing through the pasta. Add the bacon, capsicum, corn and spring onions. Toss to combine. Drizzle with the remaining dressing and sprinkle with extra spring onions.