This bulk pack contains ten 3.5 - ounce chocolate bars. (amazon.com)
Combine butter, oil, and 3 ounces chocolate in a large bowl over simmering water. (myrecipes.com)
Melt 4 tablespoons butter and 4 ounces chocolate together in a small saucepan over low heat, stirring frequently until completely melted. (flourcoveredapron.com)