Preparations

Cook the pasta:
Boil pasta in salted water according to package instructions. Drain and rinse with cold water. Set aside.

Mix the ingredients:
In a large bowl, combine cold pasta, drained tuna, grated carrot, peas, and corn.

Dress the salad:
Add mayonnaise, lemon juice, salt, and pepper to taste. Mix thoroughly.

Prepare spinach base:
On a serving plate, lay a bed of baby spinach. Drizzle with olive oil and balsamic vinegar.

Serve:
Place the pasta salad over the spinach and serve cold.