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1
Preheat oven to 375F.
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2
Heat oil in large pot over high heat.
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3
Add chard stems and onion, and cook 8 minutes, or until soft, stirring often.
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4
Add chard leaves and garlic.
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5
Cover, and cook over medium-low heat 5 minutes, or until chard leaves are tender.
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6
Season with salt and pepper.
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7
Combine 2 1/2 cups tomato sauce and basil.
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8
Spread 1/2 cup tomato-basil sauce over bottom of 10-inch springform pan.
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9
Arrange 3 tortillas in single layer (overlapping slightly) over sauce.
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10
Season ricotta with salt and pepper.
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11
Spread 1 cup ricotta over tortillas in pan.
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12
Top with 1/2 cup tomato-basil sauce, 1/2 chard mixture, 1/3 cup mozzarella and 1 Tbs.
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13
Romano cheese.
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14
Repeat layering with 3 more tortillas, 1 cup ricotta, 1/2 cup tomato-basil sauce, remaining chard mixture, 1/3 cup mozzarella and 1 Tbs.
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15
Romano cheese; place remaining tortillas on top.
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16
Spread remaining 1 cup tomato-basil sauce over tortillas; cover with foil, and bake 45 minutes.
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17
Remove foil, sprinkle with remaining 1/3 cup mozzarella and 1 Tbs.
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18
Romano cheese, and bake, uncovered, 10 minutes more.
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19
Let stand 5 minutes, then unmold, and cut into wedges.
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20
Serve with warmed remaining tomato sauce on the side.