Cook first 4 ingredients over medium heat in a large saucepan, stirring constantly, until butter melts. Stir in pecans, coconut, and cinnamon. Add matzo farfel; toss well to coat. Spread in a lightly greased, aluminum foil-lined 15- x 10-inch jellyroll pan.
Bake at 350° for 35 minutes or until golden brown, stirring occasionally. Remove from oven. Stir in raisins, and cool completely.
* Matzo farfel is coarsely crumbled matzo. If this recipe is not served for Passover, 1 to 1 1/2 cups uncooked regular oats may be substituted.