The organization of Metlife is disgusting and sends people in circles. There is no definitive number to contact them...there are a hundred and you will get all the wrong ones unless you check back with the original employer to what contact number they may have.
To prep blackberries for making a puree: Heat the blackberries, fresh or thawed, in a saucepan over medium heat. Add 1 teaspoon of sugar and 1 teaspoon of lemon juice for every 1 cup of berries, fresh or thawed. Heat to warm the berries through, stirring as needed. Blackberry puree can be made with or without seeds. One cup of fresh blackberries produces 1/2 cup of puree, while 1 cup of thawed berries produce 3/4 cup of puree. Store the puree, seeded or seedless, in an airtight container or jar in the fridge for three to five days.
To make blueberry filling: 1) Mix corn starch with water in a small cup. 2) In a small pan, combine 1/4 cup of water with 1 cup of berries, bring to boil, then cook on medium-low for about 10 minutes or longer until blueberries start breaking down and water becomes dark with color from blueberries.) Mix corn starch with water in a small cup. 2) In a small pan, combine 1/4 cup of water with 1 cup of berries, bring to boil, then cook on medium-low for about 10 minutes or longer until blueberries start breaking down and water becomes dark with color from blueberries.