Combine first 3 ingredients, mixing well. Press mixture into a 9-inch spring-form pan. Bake at 350 degrees F for 10 minutes.
Beat cream cheese until smooth; gradually add brown sugar and flour, mixing well. Add eggs one at a time, beating well after each. Stir in vanilla extract and pecans. Pour into prepared pan. Bake for 40 to 45 minutes. Let cool to room temperature on a wire rack. Refrigerate overnight.
Remove sides of springform pan; top cheesecake with whipping cream and garnish with pecan halves.
Source: E-Cookbooks.net