Pesto Shrimp on Mixed Greens

INGREDIENTS

• Grated zest and juice from 1 large lemon
• 2/3 cup olive oil
• Salt, to taste, plus 1/4 tsp.
• Freshly ground pepper, to taste, plus 1/2 tsp.
• 1 1/2 lb. large shrimp, peeled and deveined,
• tails intact
• 3 Tbs. purchased pesto
• 1/2 lb. mixed salad greens
• 1 cup grape or cherry tomatoes