Main Dishes Tuna Steak Casserole with Chard and Mushrooms Lizzie ButterworthOctober 26, 2016 32 This fish dish is a celebration of autumn vegetables, and looks after itself in the oven. The perfect Friday treat!http://www.grubdujour.com/autumn-tuna-steak-casserole/See the full directions on my site DinnerBakedFishFall