Easy Olive And Mushroom Pasta Saute - cooking recipe

Ingredients

3 -4 tablespoons olive oil (of coarse what else lol!)
1 onion, chopped
1 -2 tablespoon chopped fresh garlic
1 -2 tablespoon dried oregano
1 teaspoon dried red pepper flakes (or to taste)
2 (16 ounce) cans diced tomatoes, with juice
5 ounces pitted black olives, sliced (or to taste, about 1 cup and a little more)
5 ounces pitted green olives, sliced (or to taste, about 1 cup and a little more)
12 ounces small shell pasta (cooked to firm-tender and drained)
1 -2 cup canned drained mushroom (or to taste)
3/4 - 1 cup grated parmesan cheese
salt and pepper

Preparation

Heat oil in a Dutch oven over medium-high heat.
Add in chopped onion, garlic, oregano and crushed red pepper flakes; saute for about 5-6 minutes.
Add in tomatoes with juice and drained mushrooms along with black and green olives; simmer on low heat for about 25-30 minutes, or until mixture starts to thicken.
Add in cooked pasta shells and 3/4 - 1 cup grated Parmesan cheese; toss to combine.
Serve with more Parmesan cheese.