Step 1

Prep all the salad ingredients and fill a large bowl with water and ice.

Step 2

Bring a pot of water to boil and blanch all the prepared peas for 30 seconds. Strain peas and immediately add to the bowl of ice water for a couple minutes.

Step 3

Drain peas, shaking a bit to help dry them, and place in a serving bowl.

Step 4

Add the onions, mint, and walnuts to the bowl.

Step 5

Make the vinaigrette in a 1-cup measuring glass or small bowl by combining the vinegar, Dijon mustard, salt, pepper, and oil. Mix well.

Step 6

Toss the salad with half the dressing. Refrigerate or serve immediately, drizzling the remaining dressing if desired at the table.