Pineapple Cinnamon Buns(Yields 300 Buns) - cooking recipe

Ingredients

1 1/2 c. plus 3 Tbsp. active dry yeast
9 c. warm butter
19 1/2 qt. all-purpose flour
4 c. non-instant dry milk or 7 3/4 c. non-dry instant milk
6 3/4 c. sugar
3/4 c. salt
4 2/3 c. vegetable oil
2 1/2 qt. water
2 (No. 1) cans crushed pineapple
1 1/2 c. cinnamon
4 1/2 c. sugar
6 Tbsp. vegetable oil

Preparation

Dissolve dry yeast in warm water; let stand for 4 to 5 minutes. Place dry ingredients (flour, dry milk, sugar and salt) in mixer bowl.
Using dough hook, blend on low speed for 2 to 3 minutes. Add oil and blend on low speed for 2 to 3 minutes.
Add water and drained pineapple; mix on low for 1 to 2 minutes.
Add dissolved yeast and mix on low speed for 2 minutes.
Knead dough on medium for 8 to 10 minutes or until dough is smooth and elastic (may need to add a little more flour).
Place in warm area for 45 to 60 minutes (90\u00b0).
Place dough on lightly floured surface.
Combine cinnamon and 4 1/2 cups of sugar (raisins and nuts are optional). Mix well; set aside.
Roll dough into rectangle.
Lightly brush each rectangle with oil.
Sprinkle 1 cup of cinnamon-sugar mixture over rectangle.
Sprinkle raisins, nuts and dates over rectangle (optional).
Roll dough to form a long, slender roll.
Cut each roll into 1-inch thick slices.
Place on lightly oiled sheet pan in rows of 10 down and 5 across.
Place in warm area (90\u00b0) until doubled in size.
Bake until lightly browned, 18 to 20 minutes at 400\u00b0 in conventional oven or 12 to 14 minutes at 350\u00b0 in convection oven.
Brush lightly with melted butter while warm or make confectioners sugar glaze (optional).