Arugula, Orange and Red Onion Salad

2 bunches arugula, washed and trimmed
1 tablespoon extra virgin olive oil
1 teaspoon fresh lemon juice
2 large navel oranges, peel and white pith removed, cut into segments
8 very thin slices red onion, separated into rings
Freshly ground black pepper

1. Drizzle the arugula with half of the olive oil and the lemon juice; toss to coat and divide among 4 salad plates.

2. Arrange the orange segments and onions on top, dividing evenly. Drizzle with remaining oil and season with black pepper.