1 cup unsalted cashews
4 2/3 cups water, divided
2 teaspoon canola oil
1 each leeks, white and pale green parts, sliced thinly
2 each Clove garlic, chopped
1 cup diced cremini or regular mushrooms
3 cups Green peas, frozen or fresh
1 tablespoon fresh thyme leaves or 1 tsp. dried, plus additional for optional garnish
1 teaspoon ground cumin powder
1/4 teaspoon salt, or to taste
1/4 cup Fresh basil leaves
2 teaspoon lemon zest, divided juice of 1 lemon (4 to 6 tsp.)
1/4 teaspoon Black pepper, freshly ground, or to taste
1 each thyme sprig (optional garnish)