This Watermelon Grapefruit Margarita is one of the best simple cocktail recipes. medianet_width='600'; medianet_height= '120'; medianet_crid='282956859'; Ready for a delicious summer cocktail recipe? This is Clare Gravolet from Happy-Eater.com here to pass on a fabulous margarita recipe! What makes it so fabulous? Fresh squeezed fruit juices and 100% agave tequila. Did you know that tequila can be good for