Your puff pastry isn't rising properly because the butter is melting into the dough instead of creating distinct layers, or the gluten has been overdeveloped. Keeping everything cold and minimizing gluten development are key.
The magic of puff pastry lies in the thin layers of butter separating the dough. When baked, the water in the butter turns to steam, causing these layers to puff up and create the characteristic flaky texture. Several factors can prevent this from happening:
Warm Butter: If the butter is too warm, it will melt and absorb into the dough instead of remaining in distinct layers. This results in a dense, less flaky pastry. The butter should be cold and firm throughout the entire process.
Overworked Dough: Excessive kneading or handling of the dough develops the gluten too much. Overdeveloped gluten creates a tough pastry that resists rising and flaking. Handle the dough gently and only mix until just combined.
Insufficient Resting Time: Resting the dough in the refrigerator between turns allows the gluten to relax and the butter to firm up. Skipping or shortening these resting periods can lead to a tough, less flaky pastry.
Oven Temperature: A hot oven is crucial for creating steam quickly and causing the pastry to puff up. If the oven is not hot enough, the butter will melt slowly and seep into the dough before the steam can form.
Incorrect Folding Technique: Proper folding and turning of the dough are essential for creating the numerous layers of butter and dough. Inconsistent or incorrect folding can result in uneven layers and poor puffing.
Chill your rolling pin and work surface (like a marble slab) before making puff pastry. This helps keep the butter cold and prevents it from melting prematurely.