Heat oil in a small nonstick skillet over medium heat. Add garlic, rosemary, and cumin. Sauté 1 to 2 minutes or until garlic begins to brown. Remove from heat; let stand 10 minutes
Place beans, 2 tablespoons water, lemon juice, tahini, and salt in a blender or food processor; process until smooth. Add garlic mixture and 1 1/2 tablespoons water, if needed, until spread is desired consistency. Place spread in a small bowl and garnish with rosemary sprigs, if desired. Serve at room temperature, or cover and chill until ready to use. Serve with pita bread or fresh cut vegetables.