Easy Chocolate Fondue (for chocolate fountains)

24 ounces semisweet chocolate chips
1-1/4 cup evaporated milk
1/4 cup sugar
2 teaspoon vanilla extract

Place ingredients in cooker. Cover and cook on high 30 minutes. Stir well, if it doesn't seem thin enough add a little more evaporated milk (2 tbs), cover and cook on low 1 hour longer. Pour into fountain and dip away. Makes 3 cups.