Smoked Salmon Ravioli with Dill without tomatoes

2 red capsicums 2 yellow peppers 2 tablespoons olive oil 6 lasagna sheets, 14cm x 16cm 300 g smoked salmon 130 g baby spinach 12 teaspoons salmon caviar 2[...]

1 tablespoon canola oil 1 cup coarsely chopped sweet onion (Maui or Vidalia) 1 1/2 cups chopped red sweet peppers (2 medium) 1/2 cup tub-style light cream[...]