In saucepan, melt butter. Add shallots and cook until translucent. Add garlic and paste, stir and cook for 1 - 2 minutes. Remove from heat, add tomatoes and vodka. Return to heat and simmer for about 10 minutes. Allow sauce to cool slightly, pour into blender and process until smooth. Return sauce to pan. Boil pasta of your choice. Add cream to sauce and simmer for 2 minutes or until heated though. Add salt to taste. Pour over cooked pasta, add basil. Serve immediately.