Portuguese Style Shrimp & Pasta

1. Slice the onion and shallots into thin strips.
2. Heat olive oil and butter in a pan. Once mixture has started to heat up, add onions and shallots.
3. On low heat, saute the onion/shallot mixture for 5 to 7 minutes. Do not let them burn!
4. Put on a pot of boiling water (salt to taste).
5. Once onions are soft, add tomato paste and white wine.
6. Increase the heat and mix well.
7. Put the pasta into the pot of boiling water.
8. Add the shrimp. If you are using cooked shrimp, turn down the heat to simmer. If using frozen shrimp, keep it at a higher temperature but do not let the mixture thicken too much.
9. Add red pepper flakes to taste.
10. Cover the pan with the shrimp mixture and let it simmer.
11. Drain pasta and add to the shrimp.
12. Serve and garnish with chopped up parsley.