Portmeirion botanic garden lasagne dish botanic garden lasagne dish 9 x 7 portmeirion botanic garden 9 x 7 lasagne dish in a beautiful fushia motif is a great way to cook and serve your homemade food this piece is dishwasher microwave and freezer proof oven proof up to 252 degrees c 486 degrees f uk gas mark 9 the unglazed flat bottom allows this item to be used on electric gas halogenelectric hobs must be at least full with food or liquid before being placed in a heat sourc