Nik A’s Chocolate chip cookies from Grandma's recipe book
1 cup butter, softened homogeneous
1 cup white sugar Pure Substance
1 cup packed brown sugar homogeneous
2 eggs heterogeneous
2 teaspoons vanilla extract homogeneous mixture
3 cups all-purpose flour Pure Substance
1 teaspoon baking soda Pure Substance
2 teaspoons hot water homogeneous mixture
1/2 teaspoon salt Pure Substance
2 cups semisweet chocolate chips homogeneous
1 cup chopped walnuts Heterogeneous mixture
Preheat oven to 350 degrees F (175 degrees C).
Mix together the butter, white sugar, and brown sugar until creamy and smooth.
Mix in the eggs one at a time, then stir in the vanilla.
Dissolve baking soda in hot water.
Add to batter along with salt.
Stir in flour, chocolate chips, and nuts.
Drop by large spoonfuls onto Cookie tray.
Bake for about 10 minutes in the preheated oven, or until edges are nicely browned.
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My Grandma always made these cookies which she learned the recipe from her mother when she lived in Italy, She always makes these cookies on holidays for the family to enjoy and they taste AMAZING! I got the recipe from her to make them because they are so good.CHEMISTRY INFORMATION: The pure substances are baking soda NaHCO3, salt NaCl and sugar C12H22O11. A homogeneous mixture is all purpose flour because it looks the same from all dementations. Butter is also a homogeneous mixture because you cannot see different things in butter. Also, the fully mixed batter is homogeneous because all the ingredients are mixed together. Heterogeneous mixtures are the eggs and the batter before it is mixed. Some physical changes while making the cookies include shaping the dough, melting butter, and eggs heating up when they come out of the fridge. A clue that there are chemical changes that happen while making the cookies are when cookies bake they rise and another chemical change is when the top of the cookies brown.
Submitted by: "Nik A."