Homemade Pecan Sandies

INGREDIENTS
2 cups all-purpose flour
2 sticks of unsalted butter, room temperature
1 large egg, room temperature
½ cup granulated sugar
2 teaspoons of vanilla extract
1 teaspoon salt
1 teaspoon baking soda
2 cups pecans, 1 cup chopped, and 1 cup reserved whole for optional decoration

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