New York Cheesecake with Digestive Biscuit Base
Why this recipe works
- Dense, creamy filling: Cream cheese, sour cream and cornflour create a smooth filling that sets gently without becoming loose.
- Balanced richness: Lemon and sour cream cut through the sweetness and dairy richness, giving the cheesecake its characteristic tang.
- Crisp base, soft centre: The baked digestive biscuit base provides a firm, buttery contrast to the creamy filling.
- Better after chilling: A long chill allows the filling to set fully, making the cheesecake easier to slice neatly.
Get the most out of this recipe
Timing notes
- Cool gradually: Leaving the cheesecake in the switched-off oven helps the filling settle gently and reduces the risk of cracking.
- Chill until fully set: The cheesecake needs at least several hours in the fridge before slicing, as the centre firms as it chills.
- Best chilled overnight: An overnight rest gives the cleanest texture and makes portioning much easier.
Ingredient notes
- Use room-temperature dairy: Room-temperature cream cheese and eggs blend more smoothly, helping to prevent lumps in the batter.
- Choose rich dairy: Fuller-fat cream cheese and sour cream give the classic dense, creamy texture associated with baked cheesecake.
- Keep the tang: Lemon juice and sour cream are important for balance, stopping the filling from tasting overly sweet or heavy.
Common mistakes
- Avoid adding too much air: Once the eggs go in, mix only until incorporated; excess air can make the cheesecake rise too much and crack as it cools.
- Do not bake until completely firm: The edges should be set while the centre still has a gentle wobble, as it continues to firm during cooling and chilling.
- Slice only when fully chilled: Cutting too soon can give a soft, untidy slice even if the cheesecake is properly baked.
Make-ahead tips
- Bake the day before: This cheesecake is well suited to making in advance, as the flavour and texture improve after a full chill.
- Freeze in slices: Freeze firm slices, then wrap well and defrost overnight in the fridge before serving.
- Keep it cold for travel: Transport the cheesecake chilled and covered, then slice just before serving for the neatest result.
Equipment you'll need
Ingredients
Instructions
- Heat the oven to 160°C (320°F). Melt the butter in a small saucepan over low heat, then take off the heat.
- Mix the digestive biscuit crumbs with the melted butter and a pinch of salt until evenly moistened. Press firmly into the base of a 23 cm springform cake tin, pushing a little up the sides. Bake for 10 minutes, then cool while you make the filling.
- Keep the oven at 160°C (320°F). In a large bowl, beat the cream cheese with the caster sugar until smooth, then beat in the cornflour. Finely zest the lemon into the bowl, then add 2 tbsp lemon juice and the vanilla extract.
- Beat in the eggs one at a time, mixing just until each is incorporated. Whisk in the sour cream until the batter is smooth and thick, scraping down the bowl as needed. Tap the bowl on the worktop to pop any large air bubbles.
- Pour the filling over the cooled base and level the top. Bake for 55 to 70 minutes until the edges are set and the centre still has a gentle wobble. Turn the oven off, crack the door open, and leave the cheesecake inside for 60 minutes to cool gradually.
- Remove from the oven and cool completely at room temperature. Cover and chill for at least 4 hours, ideally overnight, until fully set. Slice with a warm, dry knife for clean portions.
Recipe notes
Tips
- For the smoothest filling, make sure the cream cheese and eggs are at room temperature before you start, and mix on low speed once the eggs go in to avoid adding too much air.
- If you are serving anyone who is pregnant, elderly, or immunocompromised, use eggs that are safe to eat lightly cooked and ensure the cheesecake is baked until properly set.
Substitutions
- Replace Vanilla extract with Vanilla bean paste for a more pronounced vanilla flavour.
- Replace Cornflour with Arrowroot starch for a similar thickening effect.
Storage
- Refrigerate up to 4 days
- Keep covered in the fridge to prevent it picking up odours. Freeze slices on a tray until firm, then wrap well; defrost overnight in the fridge before serving.
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Recipe overview
- Servings: 10 servings
- Total time: 7h (35min active)
- Difficulty: Medium
- Cuisine: American
-
Allergens:
Eggs Gluten Milk Wheat
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