Pear Crisp with Vanilla Bean Brown Butter

FOR TOPPING 1 1/2 cups all-purpose flour 1 cup whole almonds with skin 1/4 cup packed light brown sugar 1/4 teaspoon salt 3/4 stick unsalted butter, melted and cooled FOR FILLING 1 vanilla bean, split lengthwise 1/2 stick unsalted butter Read on!