3 1/2 cups flour 
2 teaspoons baking soda 
1 teaspoon salt 
2 teaspoons cinnamon 
1 cup butter, melted 
2 jumbo eggs 
2 cups sugar 
1- 15 ounce pumpkin (pie mix) 
1 cup raisins 

Preheat oven to 350 
Grease muffin tins. Mix flour, baking sodas, cinnamon & set aside. Beat eggs, sugar, pumpkin then fold in raisins. Mix wet into dry. Recipe can be halved. 
Bake 26 min
yield 24 (12 Texas sized) 

Secret to Producing Perfect Muffins: 
"Be quick in blending ingredients. Too much stirring beats the bubbles right out of the batter. So, mix quickly & pop them into a preheated oven & let the quick-rising process work at its best." Genevieve Farrow & Diane Dreher, The Joy of Muffins.