Blushing Grapefruit Marmalade

Haven't tried this one yet, but wanted to store it here for future reference.

Remove skins in quarters from grapefruit and lemon.

Set fruit aside.

Lay quarters flat.

Shave off and discard almost all white part.

Slice rind very thin.

Combine rind , water and baking soda in large saucepan.

Bring to a boil and simmer , covered , 20 minutes , stirring occasionally.

Chop peeled grapefruit and lemon.

Discard seeds.

Add fruit to cooked rind and continue simmering 10 minutes.

Measure 3 cups fruit mixture into large saucepan.

Add sugar to fruit in pan.

Mix well.

Place over high heat.

Bring to a full , rolling boil , stirring constantly.

Boil hard 1 minute.

Remove from heat and stir in pectin at once.

Skim off any foam.

Stir and skim 7 minutes.

Ladle into hot sterile jars and seal.

ruby red grapefruit juice, lemon, water, baking soda, sugar, liquid fruit pectin