Pork Tenderloin with crumbs

2 tablespoons olive oil 2 tablespoons unsalted butter 1 1/2 cups mushrooms , sliced 1 cup onion , chopped (1 medium) 5 cups fresh tomatoes , chopped (3[...]

1/2 cup bosc pear , chopped 1/4 cup hazelnuts , toasted and chopped 1/4 cup carrot , finely shredded 1/4 cup soft breadcrumbs 2 tablespoons onions , choppped[...]