Infused oils like this rosemary garlic oil can be easily made in your own home.
½ gallon any flavorless high-smoke point oil, such as canola, grapeseed, peanut, or safflower
6 sprigs rosemary
20 cloves garlic
½ tsp salt
Heat the oil in your tallest largest pot over low heat. Add remaining ingredients and warm for 1 hour.
1 hour
Strain and keep in an airtight container. Some may want to keep this in the refrigerator, others may not.