Sous Vide Palak Dal

Ingredients

• 2 cups water
• 4 ounces spinach, washed and chopped
• 1/2 cup white urad dal
• 2 teaspoons minced fresh ginger, divided
• 1 small red chile, sliced in half to the stem (keep both halves intact)
• 1/2 teaspoon kosher salt
• 1/4 teaspoon dried turmeric
• 2 tablespoons unsalted butter
• 1/4 teaspoon cumin
• 1/8 teaspoon red pepper flakes
• Juice of 1/2 lime, plus more to taste
• Cilantro leaves, for serving
• White rice, for serving