Fava Bean Crostini

Fava bean crostini is a spring appetizer of toasted bread topped with a bright, lemony puree and finished with crisp breadcrumbs and fresh herbs. The beans are cooked until tender, then blended smooth with garlic, lemon juice, and olive oil to make a creamy spread that tastes nothing like baby food. What makes it work is the contrast: warm toasted bread, cool creamy puree, and crunchy toasted crumbs all in one bite.

Ingredients for Fava Bean Crostini

Fava beans are the star, blanched and peeled to remove the tough outer skin so the puree stays silky. Garlic and lemon juice give the puree its sharp edge, while olive oil makes it smooth and rich. Breadcrumbs toasted in more olive oil add crunch and keep the toasts from getting soggy. Baguette sliced thin and brushed with olive oil bakes until crisp. Salt, black pepper, and fresh mint finish the dish with brightness and a little heat.

Why This Fava Bean Crostini Works

Fava beans have a starchy, creamy texture when cooked and blended, almost like butter. Because you blanch them in salted water first, they cook evenly and the puree tastes seasoned all the way through, not just on top. Peeling them after they cool removes the bitter skin that would make the spread grainy and dull.

Toasting the breadcrumbs in olive oil in a skillet makes them stay crisp much longer than breadcrumbs toasted alone. The oil coats each crumb and keeps moisture from the puree from softening it, so the crostini stays textured when you bite it. Finishing with fresh mint right before serving adds a cool note that makes the fava flavor pop.

Mistakes To Avoid

Do not skip peeling the fava beans after blanching. The papery skin contains tannins that taste bitter and make the puree look dull gray instead of bright green. Pinch each bean gently between your thumb and forefinger to slip the bean out of the skin.

Blending the puree too long turns it from smooth to gluey. Pulse the blender in short bursts until the mixture is creamy but still has some texture. If it looks like baby food, you have gone too far and the starch has started to break down.

Do not assemble the crostini more than an hour ahead. The moisture from the puree soaks into the bread and it becomes soft and floppy instead of crisp. If you need to hold them longer, spread the toast, keep the puree and crumbs separate, and combine them right before serving.

Skipping the olive oil when toasting breadcrumbs makes them dry and hard instead of golden and crisp. They soak up moisture from the puree and turn into a soggy paste. Toast them in at least two tablespoons of oil so they stay crunchy.

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Ingredients

• 2 pounds fresh fava beans in the pod, or 1 1/2 cups frozen fava beans, thawed
• 4 cups water
• 2 teaspoons salt, plus more to taste
• 3 cloves garlic, minced
• 3 tablespoons fresh lemon juice
• 5 tablespoons olive oil, divided
• 1/2 cup panko breadcrumbs
• 1 baguette, cut into 1/4-inch slices
• 1/4 teaspoon black pepper
• 2 tablespoons fresh mint, torn

Step-by-step Instructions

1. Bring 4 cups water and 2 teaspoons salt to a boil in a large pot over high heat. Add fava beans and simmer uncovered for 3 to 4 minutes until the beans are tender but not falling apart.
2. Drain the beans in a colander and let them cool for 2 minutes until cool enough to handle. Pinch each bean between your thumb and forefinger to slip the bright green bean out of the papery skin. Discard the skins.
3. Place the peeled beans, minced garlic, and lemon juice in a food processor. Pulse 8 to 10 times until the mixture is broken into small pieces.
4. With the processor running, slowly pour in 4 tablespoons olive oil until the puree is smooth and creamy, about 1 minute total. Taste and add salt and pepper as needed. Transfer to a bowl.
5. Heat the remaining 1 tablespoon olive oil in a small skillet over medium heat. Add panko breadcrumbs and stir constantly for 2 to 3 minutes until golden and fragrant. Pour onto a plate to cool.
6. Arrange baguette slices on a sheet pan and brush both sides lightly with olive oil. Bake at 400°F (200°C) for 5 to 7 minutes until pale gold and crisp, turning halfway through. The bread should sound hollow when you tap it.
7. Spread each warm toast with about 1 tablespoon fava puree. Top with a pinch of toasted breadcrumbs and a small pinch of torn fresh mint. Serve at room temperature within one hour.