Real Food Recipes - California Spinach Salad

1 1/2 pounds of fresh spinach, rinsed well
1 lemon, juiced
2-3 avocados, cubed
1/2 c. black olives, thinly sliced
1/2 red onion, thinly sliced
1 can mandarin oranges, drained and quartered

Place the spinach in a large serving bowl. In a medium bowl, generously drizzle lemon juice over the avocado cubes to enhance the flavor and prevent browning. Gently mix avocados, olives, onion and mandarin oranges into the spinach. When ready to serve, add vinaigrette.