Preheat the oven to 180°C, Gas Mark 5. Put a 20cm oven-proof shallow dish in the oven on a baking tray whilst the oven heats up. You get to cheat and use a store bought crust (just be sure to put the whole thing in a pretty pie pan before you serve it so it’s not quite so obvious) and the spinach comes frozen right out of a box. My favorite way to remove the water from the frozen spinach is to rinse the spinach and then place in a flour-sack dishtowel.
You can trim your crust further if there’s a big gap between the top and the top of your crust but you might want to do so more neatly than I did. Question on the par-baking, when I lift out the parchment and weights, part of the cooked crust always comes with it. Patching is OK when it’s …