English toffee (makes about 1.5 lbs or 700 g)

1 cup (225 g) butter	melt	heat until 300°F (150°C) while stirring	stir in	pour onto sheet pan	melt and spread chocolate on top	sprinkle almonds on top	cool in refrigerator and break apart
1 cup (200 g) sugar
2 tsp. (10 mL) water
1/8 tsp. (0.8 g) salt
1 tsp. (5 mL) vanilla extract
6 oz. (170 g) semisweet chocolate chips
about 1/2 cup (~170 g) chopped almonds