Discover the joy of making your own delicious Blackberry Jam with this easy homemade recipe! Using just fresh blackberries, sugar, lemon juice, and fruit pectin, you can create a sweet, tangy treat that’s perfect for spreading on toast or adding to desserts. This recipe yields about 6 cups of jam, allowing you to enjoy summer's flavor all year round. Follow simple steps, and enjoy the satisfaction of canning your very own berry masterpiece!
4 cups fresh blackberries
2 cups granulated sugar
1/4 cup lemon juice (freshly squeezed)
1 package (1.75 oz) fruit pectin (such as Sure-Jell)
1/2 teaspoon butter (optional, to reduce foam)