Can You Substitute Cocoa Powder For Semi-sweet Chocolate Chips?

Can You Substitute Cocoa Powder For Semi-sweet Chocolate Chips? “Can unsweetened cocoa powder be used instead of unsweetened or semisweet chocolate squares or chips? … To replace one ounce of semisweet chocolate, use 3 tablespoons of cocoa plus only 1 1/2 teaspoons of butter, shortening or oil and 1 to 1 1/2 tablespoons of sugar.