Let the vegetables soften over a low heat.
Cover and cook over medium-low heat about five minutes, until the vegetables soften.
When vegetables have softened, push to the side, and brown meat quickly all over.
Saute, stirring, until the vegetables have softened, about 10 minutes.
Simmer until vegetables soften, about 8 minutes.
When vegetables have softened, stir in the tomatoes and season.
Cook for 8 minutes, stirring occasionally, until the vegetables soften.
Add all of the remaining ingredients except the duck breast and simmer for 8-10 minutes, or until the vegetables have softened.
However one cannot cook the vegetables to soften them for eating.
When vegetables soften, add them to the tomato sauce and continue cooking while ravioli cook.