Lentil Curry

Ingredients

• 1½ tablespoons olive oil
• 1 medium onion (chopped)
• 2 cloves garlic (grated)
• 1 inch ginger (grated)
• ¼ teaspoon red pepper flakes (or more to taste)
• 2 teaspoons curry powder
• 2 teaspoons coriander
• 1 teaspoon cumin
• 1 teaspoon turmeric powder (optional)
• 2 cups vegetable stock (or more if you prefer a soupier curry)
• 1 can (15 ounces) crushed tomatoes
• 1 can (14 ounces) coconut milk
• 1 cup split red lentils
• 1 teaspoon salt
• ⅛ teaspoon black pepper
• 1 teaspoon garam masala (optional)
• 4 wedges lemon
• 1 handful cilantro (or flat-leaf parsley)
• 4 tablespoons Greek-style yogurt (non-dairy works too)
• 2 cups cooked basmati rice (or brown rice)