A twist on a classic, this giant cookie is great for dinner parties.
2 1/2 cups
, at room temperature
1 1/4 cups
lightly packed brown
1 1/2 tsp
ARRANGE rack in bottom third of oven. Preheat to 350F. In a medium bowl, use a fork to stir flour with baking soda and salt. In a large bowl, using a wooden spoon or an electric mixer, beat butter with sugar until creamy, about 1 min. Beat in egg and vanilla. Gradually stir flour mixture into butter mixture, until just combined. Mix in chocolate chips.
SPRAY a 12-in. oven-safe frying pan with oil. Scrape dough into pan, pressing evenly to the edges.
BAKE in bottom third of oven until cookie is golden, about 35 min. Remove to a heatproof surface and let stand for 15 min. Cut into wedges and serve with vanilla ice cream, if desired.