Hand Salad With Buttermilk, Grapefruit, and Mixed Seeds

Ingredients

• 1/2 teaspoon coriander seeds
• 1/4 teaspoon fennel seeds
• 1 garlic clove, crushed
• 1 2-inch-wide strip lemon zest
• 1/2 cup heavy cream
• 1 tablespoon buttermilk
• Kosher salt
• 1/4 teaspoon finely grated serrano chile
• 1/2 teaspoon finely grated grapefruit zest
• 2 tablespoons fresh grapefruit juice
• 2 teaspoons fresh lemon juice
• 2 teaspoons red wine vinegar
• 1 teaspoon finely grated peeled ginger
• 1 pound Bibb lettuce, Little Gem, or baby romaine, cut into wedges
• 2 tablespoons assorted seeds (such as sunflower, sesame, and/or poppy)
• Olive oil and Aleppo-style pepper (for serving)