Pumpkin Crumb Muffins

1 2/3 C. flour
1 tsp. baking soda
1/2 tsp. salt
1 tsp. cinnamon
1/2 tsp. ground allspice
1 C. Libby's solid pack pumpkin
1/4 C. undiluted evaporated milk
1/3 C. shortening
1 C. packed light brown sugar
1 egg

Combine flour, baking soda, salt, cinnamon, and allspice in large bowl. In small bowl combine pumpkin and evaporated milk. Cream shortening and sugar in large mixer bowl. Add egg, beat until fluffy. Alternately add flour and pumpkin mixtures to shortening mixture; beat well after each addition. Fill muffin tins (greased) or paper lined cups 3/4 full. Sprinkle Streusel topping over muffins.Streusel Topping:Combine 2 Tbs. flour, 2 Tbs. granulated sugar and 1/4 tsp. cinnamon in a small bowl. Cut in 1 Tbs. butter until mixture is crumbly. Bake in preheated 350 oven for 35-40 minutes or until wooden pick inserted in center comes out clean