America's Test Kitchen - Comforting White Bean and Mushroom Gratin | America's Test Kitchen (S24 E3)
The video provides a step-by-step guide to making a white bean gratin, a vegetarian dish inspired by the traditional French cassoulet. The dish is designed to be hearty and satisfying, suitable for both vegetarians and non-vegetarians. The process begins with sautéing cremini mushrooms in olive oil, followed by adding onions, garlic, tomato paste, and thyme to build flavor. The dish is deglazed with dry sherry, and great northern beans along with their liquid are added to create a creamy base. Carrots are included for additional texture and flavor. A topping made from rustic bread cubes, olive oil, and parsley is prepared separately and added before baking. The gratin is baked in the oven and finished under the broiler to achieve a crispy top. The final dish is garnished with parsley and is noted for its savory, umami flavors, making it an appealing option for gatherings like Thanksgiving.
Key Points:
- White bean gratin is a hearty vegetarian dish inspired by cassoulet.
- Use cremini mushrooms, onions, garlic, tomato paste, and thyme for flavor.
- Deglaze with dry sherry and use great northern beans for creaminess.
- Prepare a bread cube topping with olive oil and parsley for texture.
- Bake and broil for a crispy top, garnish with parsley before serving.
Details:
1. 🌿 Introducing a Special Vegetarian Dish
- Creating vegetarian main courses that feel substantial and special can be challenging, often requiring innovative approaches and unique flavor combinations.
- Lan introduces a new vegetarian dish option, a roasted vegetable tart with a rich, flaky crust and a blend of seasonal vegetables like zucchini, bell peppers, and cherry tomatoes, topped with a balsamic glaze.
- This dish addresses common vegetarian menu gaps by providing a hearty, flavorful option that appeals to both vegetarians and non-vegetarians.
- The introduction of this dish follows a trend of increasing demand for plant-based menu items, highlighting the importance of diverse and satisfying vegetarian options in contemporary dining.
2. 🍲 Preparing the White Bean Gratin Base
- The dish is designed to please both vegetarians and non-vegetarians, making it versatile and inclusive.
- Inspired by cassoulet, the gratin aims to emphasize texture and savoriness without replicating exact flavors, providing a unique taste experience.
- To achieve a cassoulet-like vibe, focus on layering flavors and textures using ingredients that provide depth, such as white beans, herbs, and a crispy topping.
- Incorporate a balance of herbs and spices to infuse the dish with aromatic notes that enhance its overall savoriness.
- Ensure the gratin has a crispy topping to contrast with the creamy texture of the beans, adding an appealing crunch.
3. 🍄 Sautéing the Mushrooms and Preparing the Topping
3.1. Sautéing the Mushrooms
3.2. Preparing the Topping
4. 🔪 Creating the Gratin Topping and Cooking the Vegetables
4.1. Creating the Gratin Topping
4.2. Cooking the Vegetables
5. 🧄 Building Flavors with Onions, Garlic, and More
- Cook onions until translucent in 4-6 minutes to establish a sweet and aromatic base flavor.
- Use medium-low heat to cook garlic, tomato paste, and thyme for 2-3 minutes, enhancing the dish with rich, earthy notes.
- Deglaze with 1/3 cup dry sherry to release and incorporate the fond from the skillet bottom, adding complexity.
- Include 2 cans of great northern beans with liquid to thicken the dish naturally with their starches, providing a creamy texture.
- Add 3 halved carrots cut into 3/4-inch lengths to introduce a subtle sweetness and additional texture.
6. 🔥 Combining Ingredients and Baking the Gratin
- To thicken the gravy, mix a tablespoon of all-purpose flour with a cup of water, ensuring there are no lumps before adding it to the dish. This is crucial for achieving the right consistency.
- After mixing, bring the entire mixture to a boil. This step is essential to ensure all ingredients, such as carrots, are cooked thoroughly, especially at the center.
- Ensure that bubbles are visible across the surface of the skillet, indicating that the mixture is boiling properly.
- Once boiling, add bread cubes evenly on top of the mixture. Avoid dumping them all at once to allow for adjustment and even coverage.
- Finally, bake the gratin in a 300-degree oven, positioning the rack in the middle to prevent scorching and to ensure even cooking throughout the dish.
7. ⏲️ Finishing Touches and Resting
- Cook the dish in the oven for 40 minutes.
- Use the broil setting to add color to the top, which takes about 4 to 7 minutes depending on the oven.
- Monitor closely during broiling as it can quickly go from brown to burnt.
- Allow the dish to rest for 20 minutes after cooking to cool and let the gravy thicken.