Cheesy Salmon Rotini - cooking recipe

Ingredients

3 Tbsp. butter
3 Tbsp. all-purpose flour
1 tsp. salt
1 tsp. dry mustard
1 (14 3/4 oz.) can salmon, drained and juice reserved, skin and bones removed or 2 (6 1/2 oz.) cans tuna, drained and flaked*
milk
2 1/2 c. (10 oz.) shredded Wisconsin Colby or Cheddar cheese
1 (1 lb.) pkg. Creamettes rotini, uncooked
3 Tbsp. softened butter
2 to 4 green onions, cut into 2-inch long thin strips

Preparation

*If using tuna, drain all liquid and use 2 1/4 cups milk.