Strawberry and Rhubarb Crisp

the definitive American spring fruit dessert: fresh strawberries and sharp rhubarb baked together beneath a butter-and-brown-sugar oat topping, a celebration of two ingredients that ripen in the same short, brilliant window each spring

Origin: New England and the American Northeast

From the journey of Rhubarb.

The strawberry-rhubarb crisp is perhaps the most American of all rhubarb preparations, and the pairing it celebrates is one of those happy accidents of seasonal coincidence that a sophisticated food culture eventually recognises and institutionalises. In the gardens and farm stands of New England and the northern Midwest, rhubarb and strawberries ripen at almost exactly the same time: the rhubarb, emerging from its winter dormancy, is at its peak in May and June, and the first local strawberries follow within weeks or sometimes days. The two have no connection in botany (rhubarb is Polygonaceae; the strawberry is Rosaceae), but their temporal overlap and their complementary flavour profiles, the rhubarb's fierce, clean tartness; the strawberry's sweet, floral fragility, make them a natural combination. The crisp, as opposed to the crumble (its British equivalent), is defined by the oat-and-brown-sugar topping that gives the preparation its name: rolled oats and dark sugar caramelise in the oven to produce a topping that is genuinely crisp rather than merely biscuity, with a toffee-like richness that sets the American form apart from the more flour-heavy British crumble. The crisp is also more informal than a pie: it is made in a single dish, requires no pastry work, and is eaten warm from the oven, the essence of American domestic baking. The strawberry-rhubarb combination found in crisps, pies, jams, and muffins across the Northeast is, for many Americans, the flavour of the transitional moment between the last cold of spring and the abundance of summer.

Ingredients

Fruit Filling

500 g rhubarb stalks, cut into 2.5 cm pieces
400 g fresh strawberries, hulled and halved (or quartered if large)
120 g caster sugar
25 g cornstarch (cornflour)
1 tbsp lemon juice
1 tsp vanilla extract

Crisp Topping

150 g rolled oats (old-fashioned oats, not instant)
100 g plain flour
120 g soft dark brown sugar, packed
0.5 tsp ground cinnamon
0.25 tsp fine salt
110 g cold unsalted butter, cut into small cubes

Method

Preheat the oven to 190°C (170°C fan). In a large bowl, toss the rhubarb pieces and halved strawberries with the caster sugar, cornstarch, lemon juice, and vanilla extract. Transfer to a 23 × 33 cm (or equivalent 2-litre) baking dish and spread in an even layer.
Make the crisp topping: in a large bowl, combine the oats, flour, dark brown sugar, cinnamon, and salt. Add the cold butter cubes and use your fingertips to rub and squeeze the butter into the dry ingredients until the mixture forms large, irregular clumps; some small and some the size of a marble. The topping should hold together when squeezed but break apart easily.
Scatter the crisp topping evenly over the fruit filling. Do not press it down.
Bake for 35–40 minutes until the topping is deep golden brown and very crisp, and the fruit juices are bubbling vigorously around the edges and through the topping. If the topping is browning before the fruit has bubbled, cover loosely with foil and continue baking.
Leave to cool for 15–20 minutes before serving, the filling is extremely hot from the oven and will cause serious burns if eaten immediately. Serve warm with vanilla ice cream.

Notes

The crisp keeps well at room temperature for 1 day; refrigerate for up to 3 days. Reheat in the oven (180°C, 10 minutes) rather than in a microwave, which will make the topping soggy. The ratio of strawberry to rhubarb can be adjusted: more rhubarb gives a sharper, more complex flavour; more strawberry gives a sweeter, more fruit-forward result. If making in June with the season's first local strawberries, reduce the sugar to 90 g, truly ripe early-season strawberries are much sweeter than the hothouse varieties and need less correction. A handful of flaked almonds mixed into the topping adds a pleasing nuttiness.

The Gastrographer

Name: Strawberry and Rhubarb Crisp
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Yield: 6
Cuisine: New England and the American Northeast
Ingredients: 500 g rhubarb stalks, cut into 2.5 cm pieces; 400 g fresh strawberries, hulled and halved (or quartered if large); 120 g caster sugar; 25 g cornstarch (cornflour); 1 tbsp lemon juice; 1 tsp vanilla extract; 150 g rolled oats (old-fashioned oats, not instant); 100 g plain flour; 120 g soft dark brown sugar, packed; 0.5 tsp ground cinnamon; 0.25 tsp fine salt; 110 g cold unsalted butter, cut into small cubes

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Journey Point Map Key

Ingredient originTrade or transit route

Became a culinary stapleColonial / trade control