Preheat oven to 375 degrees.

In medium saucepan, cook cabbage, covered, in small amount of boiling, lightly salted water for 5 min, then drain.

In same saucepan melt margarine or butter.

Stir in flour, salt, pepper, and garlic.

Add milk and cook, stirring over medium heat until thickened and bubbly.

Stir in bell pepper, cheese, and onion until cheese is melted, then remove from heat.

Place 3 cups of cornbread in a 2-quart casserole dish.

Top with cooked cabbage and sauce, then remaining 1 cup of cornbread.

Bake, uncovered, for 30-35 minutes or until heated through.