Gulpea (Tomato & Cauliflower Curry)

Ingredients (for 2 servings)

• 3 tbsp — vegetable oil • 1 large onion, chopped • 3 tbsp tomato paste • 1/2 tsp ground turmeric • 1 medium head cauliflower, broken into bite-size florets • 1 fresh red chili, minced • 1 cup water • 3/4 tsp salt • Pinch of black pepper