Mushroom Masala

I made this today and really liked it. Quickly jotting down the recipe here lest I forget it as I'm wont to do, more often than not.
INGREDIENTS
Button mushrooms - 150 gms.
Tomatoes - 2 large thickly sliced.
Capsicum - 1 medium sliced into strips.
Onion - 1 large thickly sliced.
Garlic - 2 large cloves finely chopped.
Green chillies - 3 finely chopped.
Ground coriander - 1 tbsp.
Ground cumin - 1 tbsp.
Curry powder/chicken curry powder - 1 tsp.
Sugar - 1/8 tsp.
Red chilli powder - 1/4 tsp.
Turmeric - 1/8 tsp.
Oregano seasoning - 1/4 tsp.
Olive oil - 1-1/2 tbsp.
Fresh lemon juice - 2 tsp.
Salt to taste.
METHOD
Heat the oil go a skillet/wok and fry the onions in it. When they start getting brown add the garlic and fry till fragrant. Next add the tomatoes, chillies and all the dry spices except the oregano and fry over medium heat till the tomatoes are mushy and the oil separates. Add in the mushrooms and Capsicum and stir to combine. Turn the heat to its lowest and cover and cook for 15 mins. Uncover and cook on medium high heat till all the water evaporates and the oil separates. Mix in oregano and turn off the heat. To finish add the lemon juice and mix well. Top with chopped coriander and serve.