Bedford, NH - Blistering heat was just what Sandi Fontaine needed to bake cookies for her co-workers - on the dash of her Toyota Rav4. With temperatures soaring Wednesday, Fontaine placed two trays of cookie dough on the dashboard, shut the doors and retreated inside to her air conditioned office. "My husband wanted me to run some errands this morning," said Fontaine, who works at Baldwin and Clarke Corporate Finance. "I said, 'I can't. I'm baking cookies.'" Fontaine first tested her dashboard oven three years ago. She said anyone can do it; the only requirement is for the outside temperature to be at least 95 degrees, so it will rise to about 200 degrees in the car. Temperatures in the area reached the mid to upper 90s on Wednesday. "Mrs. Fields has nothing on Sandi," co-worker Brian Champigny said of the cookie company. Though Thursday was supposed to be cooler, Fontaine said she'll still enjoy the benefits of her culinary effort. "When you open the door to that car," she said, "it's like, oh my God. It's a wonderful smell."