Mom's Maple-Apple Pie | Food Stuff

Ingredients

• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 1-1/2 teaspoons ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1 tablespoon lemon juice
• 3 tablespoons maple syrup, divided
• Warm maple syrup, optional
• 1 (14.1 ounces) refrigerated pie pastry
• 1/4 teaspoon salt
• 1 cup sugar
• 6 medium tart apples, peeled and thinly sliced (about 2-1/4 pounds)