Our food coloring is free from artificial colors and made by nature. Derived from pure vegetable juice, turmeric and spirulina extract. Shake before use. Four 0.3 fl. oz. bottles Gluten-Free FD&C Dye Free No Artificial Colors Tips: - Red Coloring: For optimal performance in baking preparation add 2 tsp. of cream of tartar to dry mix, then color as desired. Best results seen with recipes that include whole eggs. - Green Coloring: color changes may be noticed if baked at a temp greater than 350 degrees. - For Colored Eggs - Hard boil eggs with 1 tbsp. vinegar & let eggs cool. - In a cup or bowl, add 1/2 cup water, 1 tsp. Watkins Food Coloring & 1 tsp. vinegar. - Dip hard cooked eggs about 15 min. (or longer if a darker shade is desired). Stir every 5 minutes. Transfer to wire rack to dry. - Basic Blending: Lightly squeeze sides of bottle adding color drop by drop to obtain desired shade. Color results may vary in baked goods; test in a small amount of batter before using.