Spinach, Asparagus, and Orange Salad

Ingredients (for 4 servings)

• 225 whole — g/8 oz asparagus, trimmed and cut into 5 cm/2 in pieces
• 2 whole — large oranges
• 2 whole — tomatoes, cut into eighths
• 25 whole — g/1 oz baby spinach
• 25 whole — g/1 oz romaine lettuce leaves, shredded
• 2 Tbsp — olive oil
• 1 whole — ½ tsp sherry vinegar
• 1 whole — Salt and freshly ground black pepper, to taste