Swirled Mint Cookies

• 375 oven until just set
• 10 food coloring (red)
• 2 on ungreased cookie sheet (apart)
• 1 egg
• 1/2 diameter ropes
• 1/4 thickness with bottom of a glass dipped in sugar
• 250 gr flour
• 230 gr butter
• 200 gr sugar
• 4 gr vanilla