Pumpkin Apple Streusel Muffins

2-1/2 cups flour                                              
2 cups sugar                                                    
1 Tbs pumpkin pie spice                                  
1 tsp baking soda                                            
½ tsp salt                                                         
2 eggs, lightly beaten
1 cup Libby’s pumpkin
½ cup vegetable oil
2 cups peeled, finely chopped apples

STREUSEL TOPPING:
2 Tbs flour
¼ cup sugar
½ tsp cinnamon
4 Tbs butter

In large bowl, combine first five ingredients; set aside.  In medium bowl, combine eggs, pumpkin and oil.  Add liquid ingredients to dry ingredients; stir just until moistened.  Stir in apples.  Spoon batter into greased or paper-lined muffin cups, filling ¾ full.  Sprinkle Streusel topping over batter.  Bake at 350º for 35-40 minutes.