I wrote several posts ago about elm leaf pasta, and the idea of using tree leaves has continued to intrigue me. The use of trees avoids soil disturbance, adds a vertical element so that more food can be grown in less ground space, and provides shade and nesting sites for birds as well as leafy greens. As far as which leaves to use, my usual warning applies: all decisions about your safety are up to you, and research is necessary. I choose those that have mild flavor as well as a good safety profile. Tree leaves tend to be too tough to enjoy as cooked greens, so applications like pasta where they are finely ground are the perfect way to use them. The previous post describes the proportions, but with this attempt I decided that I wanted the leaves more smoothly ground and a result more like spinach pasta. I used the same proportions: all the leaves I could tightly cram into one hand with a heaping cup of flour, and this time used half elm leaves and half young mulberry leaves. The leaves need to be cooked before being incorporated into pasta dough,because the short cooking time of fresh noodles will not adequately cook the tree leaves. The leaves were steamed for seven minutes, drained and cooled, and then the leaves and flour were put in my Vitamix blender instead of the food processor. Grinding the leaves very finely into the flour requires stopping the blender several times and stirring the jar right to the bottom with a long handled fork. But eventually the mixture is very smooth and homogenous and powdery, and can be transferred to the food processor and the necessary number of egg yolks added to form a firm but flexible dough. Let the dough rest and relax for 30 minutes, coat the ball with a little flour, and roll into a thin pasta dough by whichever means you prefer; rolling pin (skill required,) hand-cranked machine, or for me definitely the rolling attachments for my Kitchenaid mixer. I rolled this dough thin, to produce a delicacy similar to spinach pasta. Cut into fettuccine with a roller or by hand, and freeze immediately for later use or use within a few hours.
Garlic bulbs are coming in from the garden right now, and I decided on garlic cream sauce. The flavor of the newly harvested cloves is wonderful. I peeled two cloves and sliced them into micro-thin transparent slices with my sharpest knife.They were sautéed in a small heavy saucepan with two tablespoons of butter. When cooked through but not colored at all, I added a quarter cup of good white wine and turned the heat up briefly to let the wine boil away. Then half a cup of heavy cream was added and brought to a boil. The heat was turned off and a few small sprigs of finely snipped tarragon added. I like to add an egg yolk at this point too, but make sure the saucepan has cooled down enough to prevent scrambling.Have some of the best Parmesan you can obtain, coarsely grated, and a small handful of lightly toasted pine nuts.
Drop the pasta into rapidly boiling water, and it is so thin and delicate that it will probably be done by the time the water returns to a boil. Taste to make sure, drain, sauce, toss with some of the cheese, and put the rest of the cheese and the pinenuts on top. Grate fresh pepper over the top for a touch of piquancy and serve. It’s a wonderfully comforting meal and, once you know what you’re doing and have the pasta ready, comes together in the time it takes to bring a pot of water to a rolling boil. A good handful of shelled peas or snow peas would be a lovely addition, and I wish I had thought of it at the time.
I’ve decided that my tree leaf pasta can be styled “Permaculture Pasta.” My plans for the future include making more of it to freeze, and finding out more about leaves that could be used.There is not much data around about the edibility of tree leaves, and under no circumstances should you wander around experimenting without data. In my own yard there are two trees, black locust and almond, that have toxic leaves. My beloved elderberry bushes have good fruit but poisonous leaves. You were only issued one liver, so treat it with a little care and respect. Leaves of perennial plants known to be edible are a good possibility. In my own yard, scorzonera leaves are common and abundant. Lambsquarters area natural source of greens in late spring and summer. I’m also thinking about bronze fennel, which I’ve used to wonderful effect as a pesto, and may try incorporating it into the pasta itself. Grape leaves might add an interesting slightly tart note, although you would need to remember that they turn yellow brown, not bright green, when cooked. Maybe add some lacinato kale leaves to improve the green color? As always, the possibilities are limitless as long as you operate rationally and safely.