Texas Tomato Toast with Roasted Garlic Spread and Homemade Ricotta

Name: Texas Tomato Toast with Roasted Garlic Spread and Homemade Ricotta
Ingredients: 2 cups extra-virgin olive oil; 10 cloves garlic; Kosher salt; 8 cups high-quality whole milk; 2 cups cultured buttermilk (preferably not low-fat); Heavy cream, optional; 6 to 8 thick slices white bread (or even better, buy a loaf of fresh, unsliced bread and slice it at home as thick as you like); Kosher or sea salt; 6 to 8 small tomatoes; Small fresh basil leaves, or large leaves cut in chiffonade; Freshly ground black pepper