Preheat the oven to 350°F (175°C).
Line a baking sheet with parchment paper.
Spread the almonds on the baking sheet and toss with tamari.
Roast for 10–14 minutes until lightly browned and fragrant.
Remove from the oven and allow the almonds to cool for 5 minutes.
Wash and dry the lettuce thoroughly.
Place the lettuce in a large serving bowl.
Toss gently with a few spoonfuls of lemon vinaigrette.
Add the sliced cucumber, shaved Parmesan cheese, pepitas, avocado, and roasted tamari almonds.
Drizzle with additional dressing as desired.
Top with fresh microgreens.
Season with flaky sea salt if desired.
Serve immediately and enjoy this refreshing Simple Green Salad.