Cardamom Pear Blueberry Crisp

Ingredients (16)

• 1/4 cup unsalted butter
• 1/2 cup rolled oats
• 1/3 cup brown sugar
• 1/3 cup all-purpose flour
• Dash cinnamon
• 1/3 cup pecans
• Dash cardamom
• For the pear filling: 3 Bartlett pears
• 2 cups frozen blueberries
• 1/2 tsp. cardamom
• 1/2 tsp. cinnamon
• 2 Tbsp. lemon juice
• 2 tsp. sugar
• 1 tsp. cornstarch
• 1/4 tsp. salt
• Vanilla ice cream for serving