Melt the butter in a large, nonstick (deep) skillet over medium-high heat.
Add the asparagus, give it a good stir and cover the pan with the lid. Let it cook for 2 minutes.
Add the shallot and garlic, cook stirring often until fragrant, one minute.
Add the flour and cook, stirring often for an additional minute.
Add the wine and stir well, let it simmer for a little bit, this will immediately thicken because of the flour.
Stir in the chicken broth, Dijon mustard, Italian seasoning, salt and pepper. Stir until combined. Be sure the sauce is simmering/boiling.
Add the ravioli and peas, turn the heat to medium, cover the pan and cook for 2 minutes. Uncover, give it a good stir, put the lid back on and cook for 2 minutes more.
Stir in the heavy cream and lemon zest. Serve immediately.