Spinach Feta pasta

Ingredients
Spaghetti - 1 box
Onion- 1 medium diced
Garlic- 2 cloves minced
Roasted Tomato- 1 tbsp chopped 
Mushrooms- 2 cups sliced
Baby spinach- 2 cups packed
Oregano- 1 tsp
Cayenne pepper- 1/2 tsp (optional)
Black Olives- 2  tbsp sliced
Feta cheese- 1/4 cup or more according to taste
Salt and Pepper- as needed

Method

1. Cook pasta according to package directions. Reserve a cup of pasta water.
2. In a large pan heat olive oil and saute the onion and garlic.
3. Add mushrooms, tomatoes, oregano, cayenne powder and cook until the mushrooms are soft.
4. Add spinach and cook until the leaves are wilted.
5. Pour the cooked pasta to the pan, sprinkle the feta cheese and black olives.Mix well. Add pasta water if the dish is too dry.
6. Serve warm.