Cubed salmon in coconut oil vinaigrette

The coconut oil is heated and the vegetables are barely cooked. The lime juice is added to complete the vinaigrette and the salmon is added at the very end and cooked briefly and barely using mostly carry-over heat. Served warm.

* rigatoni pasta
* two tablespoons coconut oil
* two stalks celery
* half an onion diced
* garlic clove cut in slivers
* mushrooms sliced (not cooked)
* half a bell pepper (not cooked)
* half a small zucchini
* juice of half a lime, added to coconut oil and vegetables after they're cooked but still in the pan
* salmon steak cubed, added at the very end, barely cooked through
* S/P