Personally, I don't think you can improve on perfection, so I just use the Nestle's recipe for toll house.

And for oatmeal cookies I just use the Quaker Oats version. Our all-time favorite recipe, though, is for Luscious Lemon Snaps. OMG!! I love citrus & these are awesome!! We prefer the softer version - even though they no longer "snap". LOL
Toll House Cookies - Nestles’
2¼ c flour
1 tsp baking soda
1 tsp salt
1 c butter
¾ c sugar
¾ c brown sugar
1 tsp vanilla
2 eggs
12 oz chocolate chips
1 c chopped nuts (opt)
Combine butter, sugars & vanilla; beat until creamy. Beat in eggs. Combine flour, baking soda & salt, then add to rest & mix well. Stir in chips & nuts. Drop by rounded teaspoonfuls on ungreased sheets. Bake at 375 for 8 - 10 min. Yield: 100 2” cookies.
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Classic Oatmeal Raisin Cookies
1 c firmly packed brown sugar
¾ c vegetable shortening
½ c granulated sugar
1 egg
¼ c water
1 tsp vanilla
3 c Quaker® Oats (quick or old fashioned, uncooked)
1 c all-purpose flour
1 tsp salt (optional)
½ tsp baking soda
1. Heat oven to 350°F. In large bowl, beat brown sugar, shortening and granulated sugar until creamy. Add egg, water and vanilla; beat well. Add combined oats, flour, salt and baking soda; mix well.
2. Drop dough by rounded teaspoonfuls onto ungreased cookie sheets.
3. Bake 11 to 13 minutes or until edges are golden brown. Remove to wire rack. Cool completely. Store tightly covered.
Add 1 cup of any one or a combination of any of the following ingredients to basic cookie dough: raisins, chopped nuts, chocolate chips or shredded coconut.
LARGE COOKIES: Drop by rounded tablespoonfuls onto ungreased cookie sheets. Bake 15 to 17 minutes. ABOUT 2-1/2 DOZEN
BAR COOKIES: Press dough onto bottom of ungreased 13 x 9-inch baking pan. Bake 30 to 35 minutes or until light golden brown. Cool completely in pan on wire rack. Cut into bars. Store tightly covered. Makes 24 BARS
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Luscious Lemon Snaps
2½ c all-purpose flour
1½ c white sugar
2 tsp baking soda
¼ tsp salt
2 Tbl lemon zest
¾ c vegetable oil
½ c fresh lemon juice
2 tsp vanilla extract
Preheat oven to 350. Grease cookie sheets. Stir together flour, sugar, baking soda, salt & lemon zest. Make a well in the center & fill with oil, lemon juice & vanilla. Stir everything together until it forms a dough. (Alternate method: Put everything into the food processor and blend until dough forms.) Drop cookie dough by teaspoonfuls, about 2 inches apart, onto the prepared cookie sheet. Bake 10 - 12 min. Edges should be golden brown.
For a softer cookie, bake only 7 min. Cool on racks & store in airtight container. Yield: 4 dozen