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by Gina DePalma, Pastry Chef

RHUBARB


Spring has many harbingers. Tender young leaves sprouting on trees, tulips popping up out of the ground, short sleeves in the midday sun, and a warmth to the wind that sweeps the April showers. But for a pastry chef springtime means longing; berries and stone fruits will not appear until summer calls, so we must wait impatiently. Our comrades on the savory side of the kitchen have early beans and ramps, asparagus and fiddleheads to liven up their menus, while we must bide our time and make the best of citrus fruits and the last apples from cold storage. Then, just as you consider pulling your sandals out of storage, the market yields its first springtime treasure to pastry cooks – Rhubarb. Pink, slender and firm, rhubarb is the one item that causes my entire focus as a chef to shift away from the cold winter and towards the warmth of the sun.

As a child, rhubarb always confused me. It looked like red celery and was always piled among other vegetables at the market. When I had my first taste of it raw, sneaking away a slice from my mother’s cutting board, it was tart and crunchy, and to my further surprise, slightly green on the inside! I could not understand why mom was always using it like fruit. Even though she made a slightly tart rhubarb preserve or baked it into a beautiful pie, that first taste made me shy away from it for years. It was not until adulthood that I came to fully appreciate it’s many wonderful qualities.

Rhubarb, or Rheum rhabarbarum is indeed a vegetable, a cousin to the sorrel plant. There are many species of Rhuem, some of which have been growing in China and India for over 2,000 years. Ancient cultures cultivated rhubarb for medicinal purposes, using the roots and stalks for various digestive ailments. Marco Polo, who came across it during his travels to China, allegedly brought rhubarb to Europe. It may well have been brought through Venice during its height as a trading city and used by Italian pharmacists and doctors for years before its first recorded planting in Italy in 1608. Some hundred years later, rhubarb was cultivated in Europe and England as a food plant and began appearing in pies in the late 1700’s. Seeds eventually found their way to America in sometime after 1790, and by the early 1820’s rhubarb was found at produce markets in Massachusetts and beyond.

Rhubarb is a hardy plant, a perennial, cool season crop that grows during warmer weather and then becomes dormant when temperatures drop to a certain level. In the spring, the growing resumes and continues into late summer. The majority of the commercial crop in the United States comes from Washington State, Oregon and Michigan, but small farmers throughout the Northern U.S. have found that rhubarb grows well in almost any area that has cooler temperatures in the fall and winter, and fertile, well-drained soil. Rhubarb is also a good producer; once cultivated, rhubarb plantings remain productive for up to 8 years.

Common garden rhubarb, or Rheum x coltorum is what most cooks are familiar with. Within that species there is a long list of varieties, many of which are hybrids. The color ranges from vibrant red to delicate pink and red-speckled green. Many consumers assume that the brightest red rhubarb is the sweetest, but many of the greener varieties are milder and less tart. Stalks can be tender and thin or broad and quite thick. Because there are so many varieties, and because they are so localized, many people are only familiar with one particular variety until they are confronted with another, and I am no exception. Growing up in Virginia, I was used to long, bright red stalks with bright green leaves. When I saw my first local New York State rhubarb at the Union Square, I was struck by how green and delicate it was, with a pinkish section only at the root ends. And to confuse matters even more, the rhubarb I can obtain from Oregon or Washington State is huge in comparison, extremely long, bright red in color and an ivory-white on the inside. The best lessons of cooking are learned through experimentation, I always say!

Whatever variety you may find, I highly recommend using and enjoying rhubarb whenever it makes it way to your local market. Rhubarb is wonderful when accented with other flavors, such as lemon, vanilla and mint, and when cooked, its soft texture is a nicely matched with raspberries and strawberries. My favorite way to use rhubarb is to sauté thin slices or small cubes in a bit of sugar syrup until is just begins to turn tender and succulent; feel free to adjust the sweetness with more sugar or honey. It is excellent spooned over ice cream or pureed and folded into whipped cream and topped with crumbled amaretti or toasted walnuts.


At Babbo, I like to pair rhubarb with my quintessential dessert, Saffron Panna Cotta. The recipe for the Panna Cotta below, can be found in The Babbo Cookbook as well.

Saffron Panna Cotta with Rhubarb Marmellata

For the Rhubarb Marmellata:
½ cup granulated sugar
3 rhubarb stalks, cut into 1/4-inch slices
1 vanilla bean, split lengthwise

In a small saucepan, stir together the sliced rhubarb and the sugar. With the tip of the paring knife, scrape the insides of 1 vanilla bean into the saucepan. Cook over medium heat, stirring often, until the rhubarb is soft, about 15 minutes. Cool completely.

For the Saffron Panna Cotta:
5 sheets gelatin
3 1/3 cups heavy cream
¾ cup sugar
Zest of 1 lemon
½ tsp. saffron threads
1 cup milk

Place gelatin sheets in cold water to soften and set aside.

In a medium saucepan, place cream, sugar, lemon zest and saffron threads.

Bring mixture to a boil, stirring gently, then remove from heat; let rest for 10 minutes to develop flavor and color.

Remove softened gelatin from cold water and squeeze out excess water. Stir gelatin into cream mixture until completely dissolved. Strain the cream through a fine-meshed sieve or chinois, then stir in milk.

Pour into chilled dessert cups or wine glasses and chill until set.

To serve, unmold each panna cotta onto a plate and spoon a bit of the rhubarb over the top and alongside.



 

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