-
1
Cut tomatoes in half along the equator.
-
2
Place a strainer over a bowl and squeeze out seedpods.
-
3
Rub seedpods against strainer to extract juicy pulp.
-
4
Discard seeds.
-
5
Place a box grater in a wide bowl, and using the large holes of the grater, grate tomatoes by rubbing the cut side against the grater, with the skin side cupped in your hand.
-
6
When you feel the holes of the grater against the inside of the tomato skin, you are done.
-
7
Add juice from seedpods.
-
8
Turn on a food processor fitted with a steel blade and drop in the garlic.
-
9
When it is chopped and adhering to the sides of the bowl, stop the machine and scrape down the sides with a spatula.
-
10
Add tomatoes, salt, pepper and balsamic vinegar.
-
11
Process in machine for 1-2 minutes, until sauce is frothy.
-
12
With machine running, slowly add olive oil.
-
13
Alternatively, puree at high speed in a blender for 1 minute, until frothy.
-
14
Transfer to a bowl, taste and adjust seasonings.
-
15
Stir in tarragon.
-
16
Taste and adjust salt and pepper.
-
17
Cover and set aside at room temperature if serving in an hour or two, or refrigerate for up to a day.
-
18
Steam the fish.
-
19
Prepare the fillets by slapping them not too hard with the flat side of a knife, just to break down fibers so they dont curl too much when you steam them.
-
20
Season with salt and pepper.
-
21
You will probably have to steam the fish in batches.
-
22
Brush your steamer rack with olive oil and place as many fish fillets on top as will fit in one layer.
-
23
If the fish fillets are too long to lie on the rack, fold them over at the middle.
-
24
Combine about 1 inch of water and a couple of basil sprigs in the bottom of your steamer and bring to a boil.
-
25
Place steaming rack in pot and steam fish for 5 minutes, until opaque and fish pulls apart when you insert a fork into it.
-
26
Remove from heat, transfer to a lightly oiled platter and allow to cool.
-
27
Sprinkle with orange zest, cover and refrigerate for 30 minutes or longer.
-
28
About 30 minutes before you wish to serve, whisk basil and remaining orange zest into the tomato sauce.
-
29
Taste and adjust seasonings.
-
30
Remove fish from refrigerator and pour on half the sauce.
-
31
When ready to serve, spoon some sauce onto each place, top with the fish and more sauce, and serve.