I used 1c. Peanut butter and 1 Egg and 1c. Sugar. I Live in Oregon, it gets humid outdoors then dry indoors. My cookies crumbled apart. What is wrong?

Sounds like you had a discrepancy between moist and dry ingredients.

How much flour did you use, and what kind?

White sugar AND brown sugar?

Butter?

Here's Betty Crocker's recipe (double, if desired) --

1/2 cup granulated sugar
1/2 cup packed brown sugar
1/2 cup peanut butter
1/2 cup butter or margarine, softened
1 egg
1-1/4 cups Gold Medal® all-purpose flour
3/4 teaspoon baking soda
1/2 teaspoon baking powder
1/4 teaspoon salt

* 1. Mix sugars, peanut butter, shortening, butter and egg in large bowl. Stir in remaining ingredients. Cover and refrigerate about 2 hours or until firm.
* 2. Heat oven to 375ºF.
* 3. Shape dough into 1 1/4-inch balls. Place about 3 inches apart on ungreased cookie sheet. Flatten in crisscross pattern with fork dipped into sugar.
* 4. Bake 9 to 10 minutes or until light golden brown. Cool 5 minutes; remove from cookie sheet. Cool on wire rack.

(For chewier cookies, bake at 300°F for 15 minutes.)

I used no flour at all.

Where did you find the recipe? Have you ever made it before?

What was your oven temp?

Here's a no-flour recipe from allrecipes.com --

* 2 cups peanut butter
* 2 cups white sugar
* 2 eggs
* 2 teaspoons baking soda
* 1 pinch salt
* 1 teaspoon vanilla extract

Directions

1. Preheat oven to 350 degrees F (175 degrees C). Grease cookie sheets.
2. In a medium bowl, stir peanut butter and sugar together until smooth. Beat in the eggs, one at a time, then stir in the baking soda, salt, and vanilla. Roll dough into 1 inch balls and place them 2 inches apart onto the prepared cookie sheets. Press a criss-cross into the top using the back of a fork.
3. Bake for 8 to 10 minutes in the preheated oven. Allow cookies to cool on baking sheet for 5 minutes before removing to a wire rack to cool completely.

WONDER-GIRL... Sorry I took so long to respond, as I was answering another question. I have made it before and they came out fine. Thank you. I will try this recipe. Perhaps because I was in a hurry I didn't let the cookies cool completely before I took them with me. I threw them straight into the first storage item (ziploc) I could find and ran out the door!