Grease an ovenproof dish, about 23x28cm/9x11in in size, with butter. Spread each slice with on one side with butter, then cut into triangles. Arrange a layer of bread, buttered-side up ...
You will need an ovenproof dish about 2½-3 pint/1.4-1.7 litres volume (18 x 23 x 5 cm/7 x 9 x 2 in). Preheat the oven to 180C/350F/Gas 4 and use some of the melted butter to grease the dish.
which would've made creating the simple dish simpler. Luckily, I did have some sanitizing wipes, so I used a small table for assembly. I started by scraping a layer of butter onto the bread.