Vitreoretinal eye surgery includes a group of procedures performed deep inside the eye's interior with lasers or conventional surgical instruments. As the name implies, this delicate surgery takes place where the gel-like vitreous and light-sensitive membrane (retina) are found.
1 If your sugar paste feels dry and cracks, feels very firm or crumbly, knead in a few teaspoons of melted shortening (vegetable fat or white margarine). 2  Alternatively, work glycerine and or a few drops of cooled boiled water into the paste to soften it and make it more elastic.
Combine Honeycrisp apples, Granny Smith apples, and apple cider in a large stainless steel or enamel-coated saucepan; bring to a boil, stirring occasionally. Reduce heat to medium-low; simmer until mixture reduces by about half, about 20 minutes. Stir sugar and lemon juice into the apple mixture; bring to a boil. Reduce heat to medium-low, and continue cooking at a simmer until the mixture is very thick, about 25 minutes. Sterilize the jars and lids in boiling water for at least 5 minutes. Pack apple butter into the hot, sterilized jars, filling the jars to within 1/4 inch of the top.